Mamba
Hello, my name is Mamba. My animal id is #255939. I am a male white dog at the Manhattan Animal Care Center. The shelter thinks I am about 10 years 1 months 2 weeks old.
I came into the shelter as a owner surrender on 7/14/2026, with the surrender reason stated as person circumstance- cannot afford to care for.
Reserved
Someone has already placed a deposit on me. I'm no longer available.
Mamba is at risk due to behavioral reasons. While in care, Mamba has been observed to be highly fearful. Noted to growl, snarl, bare teeth, and lunge when handlers attempt to handle him. His previous owner describes him as a social and affectionate dog. Medically, Mamba has periodontal disease and is underweight.
Let's get to know each other a bit more...
This pet needs emergency placement. Please click here to go to our emergency placement page for more information. This pet is available only through ACC New Hope partners. To adopt or foster, please complete the pre-screener form below. Inquiries sent directly to ACC will not receive a response. Pre-Screener Form Mamba is at risk due to behavioral reasons. While in care, Mamba has been observed to be highly fearful. Noted to growl, snarl, bare teeth, and lunge when handlers attempt to handle him. His previous owner describes him as a social and affectionate dog. Medically, Mamba has periodontal disease and is underweight.
My medical notes are...
Weight: 7.4 lbs
7/15/2026
DVM Intake Exam Estimated age: 7-10 years based on condition Microchip noted on Intake? Scanned negative History: Owner surrender Subjective: QAR, until handled then BAR Observed Behavior - attempted to remove from kennel but began snapping and bearing teeth, able to be picked up using thick sheets and brought into intake room, opted to sedate in order to decrease FAS. Sedated using 0.2 ml Dexmedetomidine (500mcg/ml) + 0.2 ml Butorphanol (10mg/ml) + 0.2 ml Ketamine (100mg/ml) IM Is there evidence of suspected cruelty? No Objective: T = P = 80 bpm (sedated) R = WNL BCS: 3/9 EENT: Eyes clear, ears clean, no nasal or ocular discharge noted Oral Exam: Oligodontia, thick calculus on remaining dentition PLN: No enlargements noted H/L: NSR, NMA, CRT < 2, Lungs clear, eupneic ABD: Non painful, no masses palpated U/G: Externally WNL, intact male, 2 scrotal testes MSI: Ambulatory x 4 (prior to sedation), skin free of parasites, no masses noted, matted hair coat CNS: Mentation appropriate - no signs of neurologic abnormalities (prior to sedation) Rectal: Externally WNL Wood's Lamp Exam: not performed Assessment: Matted haircoat Severe PDDZ Intact male Prognosis: Fair Plan: Intake tasks + exam Await sort/behavior assessment Shave down matting 0.2 ml antisedan IM Trazodone 25mg PO BID indefinitely SURGERY: Permanent waiver due to age
Details on my behavior are...
Behavior Condition: 5. Red
Basic Information:: Mamba is an approximately 6-10 years old male (unaltered) dog. He was owned by his previous owner for three months and ended up at ACC as an owner surrender.
Previously lived with:: Adults, Children, Dog
How is this dog around strangers?: Friendly & Outgoing
How is this dog around children?: Friendly & Outgoing, Playful, Tolerant
How is this dog around other dogs?: Familiar dogs: Friendly & Outgoing, Playful, Shy/Contact on their terms Unfamiliar dogs - on leash: Shy/Contact on their terms, Hides at first, Friendly & Outgoing Unfamiliar dogs - off leash: Shy/Contact on their terms, Hides at first, Friendly & Outgoing
How is this dog around cats?: Mamba alert barks, hard barks and/or growls when seeing cats. He has no experience with other animals.
Resource guarding:: Valuable items: Food, Treats (bones, rawhides, etc.) Reaction: Has a tense body or hovers over them, Growls or hard barks, Snaps or attempts to bite
Bite history:: There are no reported bites/scratches towards a person or animal.
Housetrained:: Yes
Energy level/descriptors:: Medium
Other Notes:: Goes potty on: Wee-wee pads, outside on walks (grass, cement, dirt, etc.), Designated area in home Accident frequency: Very rarely Additional info: Use the bathroom if he’s not walked at least three times a day. He likes to be outside in grassy areas. Behavior concerns: General anxiety (paces, whines, unable to settle), Fearful of loud noises (storms/thunder, fireworks, arguments, etc.), Jumps up often or non-stop, Anxious when left alone Reacts to on walks: Strangers that approach the home/yard, small dogs, Large dogs, Cats, Moving objects (bikes, skateboards, cars, etc.), Children, Strangers that approach family members Reaction type: Growling/Hard barking Additional info: React very well to small kids, other dogs that are friendly, and friendly to people who gives him attention. He loves attention but, you must be mindful on the way you grab or pet him. How this dog reacts when... - Held/restrained: Fearful - Disturbed while resting/sleeping: Isn't bothered - Startled: Fearful - Pushed/pulled off furniture: Fearful - Paws are touched: Isn't bothered - Collar grabbed/touched: Snaps, Fearful, Barks/Growls
Has this dog ever had any medical issues?: No
Medical Notes: No known medical issues or allergies.
For a New Family to Know: Mamba is a social/affectionate, active & playful, quiet dog. He enjoyed spending time where people are and, in the bedroom and living room portions of the home. Mamba goes to the groomer and allows owner/family to bathe and brush Mamba does not pull while on leash and gets walked 3-4 times a day, 10-minutes at a time. Mamba sed to be crated, does not need it now. During car rides, this dog gets nervous getting in or being in the car. Mamba ate both wet and dry food or the Pedigree Brand.
Date of intake:: 7/14/2026
Spay/Neuter status:: No
Means of surrender (length of time in previous home):: Owner Surrender
Previously lived with:: Adults, Children, Dog
Behavior toward strangers:: Mamba is friendly and outgoing
Behavior toward children:: Mamba is friendly and outgoing
Behavior toward dogs:: Mamba is friendly and outgoing
Behavior toward cats:: Mamba will hard bark and growl
Resource guarding:: Valuable items: Food, Treats (bones, rawhides, etc.) Reaction: Has a tense body or hovers over them, Growls or hard barks, Snaps or attempts to bite
Bite history:: None reported
Housetrained:: Yes
Energy level/descriptors:: Medium
Other Notes:: Goes potty on: Wee-wee pads, outside on walks (grass, cement, dirt, etc.), Designated area in home Accident frequency: Very rarely Additional info: Use the bathroom if he’s not walked at least three times a day. He likes to be outside in grassy areas. Behavior concerns: General anxiety (paces, whines, unable to settle), Fearful of loud noises (storms/thunder, fireworks, arguments, etc.), Jumps up often or non-stop, Anxious when left alone Reacts to on walks: Strangers that approach the home/yard, small dogs, Large dogs, Cats, Moving objects (bikes, skateboards, cars, etc.), Children, Strangers that approach family members Reaction type: Growling/Hard barking How this dog reacts when... - Held/restrained: Fearful - Disturbed while resting/sleeping: Isn't bothered - Startled: Fearful - Pushed/pulled off furniture: Fearful - Paws are touched: Isn't bothered - Collar grabbed/touched: Snaps, Fearful, Barks/Growls Mamaba's previous owner describes him as a social and affectionate dog.
Date of assessment:: 7/16/2026
Summary:: Mamba has been observed to be highly fearful while in care. Noted to growl, snarl, bare teeth, and lunge when handlers attempted to handle him. Due to the high level of fear, stress, and anxiety, Mamba is not a candidate for a handling assessment at this time.
Summary (6):: 7/18/26: (PM,KSV) Handlers pass by Mamba's kennel. There is food sitting in the front of his kennel. Mamba is observed to whale eye and lip curl from his bed in kennel. Interaction is ended. 7/18/26:(KSV, Midday) Mamba is lying in his bed. He approaches the front with a soft body. Handler offers him some wet food and he takes it vigorously. Handler opens the kennel door and Mamba backs up slightly. Handler places a bowl of wet food into the kennel and Mamba eats it. The interaction is ended. 7/18/26: (AM, KSV) Mamba is lying down in his bed. He gets up and approaches the front with a soft body and wagging tail. He stands up on his hind legs and stretches up against the wall. Handler places their hand against the kennel door and he leans into the hand. The interaction is then ended.
Summary (7):: 7/15/26 (KSV): Mamba is lying curled up in the back corner of his kennel. He remains in the same position as the handler approaches without any reaction. Handler starts talking to him slowly with a soft voice but Mamba remains in the same position. Handler tosses treats, however, Mamba is not receptive and doesn't change position. His body starts trembling, but Mamba is not lifting his head and is not moving from the spot. He shows no attempts to approach, retreat, vocalize, or respond to the handler. After few more attempts to engage with Mamba, handler ends interaction. 7/14/26: K9 behavior is reported to help with Mamba's intake. Upon approach, Mamba is growling and snapping in his carrier. The handler slowly tilts the carrier back so that they're able to leash Mamba from overhead. As the handler drops treats into his carrier, Mamba growls and snaps; when the handler places the lesh inside and it touches him, Mamba snaps and bites the leash. After several attempts, the handler is able to secure the leash on Mamba, and brings the carrier down for him to exit. Mamba walks out the carrier, and right before they walk him out the office, he quickly goes back into the carrier. The handler applies gentle leash pressure to encourage him to exit, but Mamba begins to high pitch vocalize (screech) and stays inside the carrier. The handler picks up the carrier and brings it to the kennel; they slightly lift the carrier up for Mmaba to crawl into the kennel, but he refuses to move; he doesn't move either when leash pressure is applied. The handler brings the carrier inside the behavior office, and checks to see if the leash is still secured. After checking it, the handler opens he crate and Mamba walks out of it. However, he begins to vocalize and thrash when the handler applies pressure for him to begin walking; he continues while walking to the door. Another K9 behavior handler covers Mamba with a towel to pick him up; he snaps when the towel makes contact. As the 2nd handler picks him up, Mmaba snaps at the towel again but allows himself to be carried. The 2nd handler places him Mamba inside his kennel and removes the towel from his head. The handler retrieves the leash later on.
Date of intake:: 7/14/2026
Summary:: Lunging, baring teeth, snarling
Date of initial:: 7/15/2026
Summary:: Snapping, baring teeth, opted to sedate
ENERGY LEVEL:: Mamba is described as medium energy. They will need daily mental and physical activity to keep them engaged and exercised. And we recommend using force-free, reward-based training techniques for them.
BEHAVIOR DETERMINATION:: New Hope Only
Recommendations:: No children (under 13),No cats,Place with a New Hope partner
Recommendations comments:: No children (under 13): Due to the defensive behaviors observed while in care, we recommend an adult only home. No Cats: Due to hard barking and growling towards cats we recommend a home with no cats. We recommend placement with a New Hope rescue partner who is able to provide an experienced, adult-only foster home. Force-free, reward based training and/or consultation with a professional trainer/behaviorist is highly recommended.
Potential challenges: : Resource guarding,Basic manners/poor impulse control,Handling/touch sensitivity,Fearful/potential for defensive aggression,Anxiety,On-leash reactivity/barrier frustration
Potential challenges comments:: Resource Guarding: Mamba's previous owner states that he will become tense, hover, growl, hard bark, snap, and attempt to bite when food or treats that are in his possession are touched. Nothing should ever be taken directly out of Mamba's mouth, and any time something is removed they should be rewarded with a high value treat or toy. Please see handout on Resource Guarding. Basic Manners: Mamba's previous owner states that he will jump up often. It is recommended that default behaviors such as "Sit" and "Off" are reinforced to substitute any frustration and teach them to control their impulses instead of simply reacting; proper management is also advised. Force-free, reward-based training only is recommended. Please see handout on Basic Manners. Handling Sensitivity: Mamba's previous owner states that he will snap, bark, and growl when his collar is grabbed. Positive reinforcement, reward based training should be used to pair touch with good things such as food rewards in order to teach Mamba to be more comfortable with this. Please see handout on Handling and Touch Sensitivity. Fearful Defensive: Mamba's previous owner states that he is fearful of loud noises. They also state that he is fearful when held and when pushed off furniture. While in care, Mamba has been observed to growl, snarl, bare teeth, and lunge when handlers attempted to handle him. It is important to move slowly with Mamba, to build positive associations (treats/toys/praise), and to allow them to initiate interactions with new people. They should never be forced to greet or to interact if they are not comfortable and soliciting attention. Please see handout on Fearful and Defensive Aggression. Anxiety: Mamba's previous owner states that he is anxious in the home. If Mamba displays anxious behavior in their future home, we recommend puzzle toys, long walks, and giving them other things to focus on to alleviate their anxiety. Positive reinforcement, force-free training should be used. Please see handout on Generalized Anxiety. On Leash Reactivity: Mamba's previous owner states that he growl and hard bark towards strangers, dogs, cats, and moving objects while on leash. Mamba will need positive reinforcement, reward based training to teach them to look at you rather than dogs and other stimuli. We recommend a front clip harness to help manage this behavior. Please see handout on On Leash Reactivity and Barrier Frustration.
