Common Musk Turtle
Sternotherus odoratus
The North American 'Stinkpot' turtle. A tiny, carnivorous, and comical aquatic turtle, famous for walking on the bottom instead of swimming. Ideal for those looking for a turtle that stays small for life (doesn't exceed 5 inches), allowing for a permanent 30-gallon aquarium setup, unlike invasive giants such as Sliders.
Temperatura da água
20 - 25 °C
Ambiente
Água doce / Semiaquático
Umidade
80 - 100 %
Temperatura diurna
24 - 28 °C
Temperatura ambiente
24 °C
Temperatura noturna
18 - 22 °C
Local para se aquecer
30 °C
Tamanho adulto
13 cm
Gabinete mínimo
>= 100 L
UVB
Ferguson 2-3
UVI
0,7 - 2,6 UVI
Descrição da espécie
Geographical Origin and Habitat: Widespread throughout eastern North America (from Canada down to Florida). They populate slow-moving rivers, swamps, lakes, and muddy ponds rich in aquatic vegetation. They are terrible swimmers: they spend their lives 'walking' on the muddy bottom searching for snails, hiding under submerged branches and roots.
Taxonomy and Genetics: Kinosternidae family (Mud and Musk turtles). No commercial morphs exist; they maintain a homogeneous dark gray, brown, or black coloration to camouflage with the bottom. An excellent ecological and ethical alternative to the Red-Eared Slider (Trachemys scripta), as they do not require thousand-gallon outdoor ponds in adulthood and are not a dangerous invasive species.
Behavior and Habits: Timid and irascible. The name 'Musk' or 'Stinkpot' derives from their ability to secrete a yellowish, foul-smelling liquid from glands located on the sides of the carapace if they feel their life is in danger (though they rarely do this in captivity). If grabbed, they extend their long neck with lightning speed, trying to bite fingers with their sharp, beak-like jaws. They spend hours holding their breath walking on the bottom and rarely leave the water to bask (sunbathe).
Morphology: Dwarf turtles: males do not exceed 4 inches (10 cm), females reach 5-5.5 inches (13-14 cm). The carapace (upper shell) is strongly domed, smooth, and usually covered in algae in the wild, while the plastron (lower shell) is severely reduced, cross-shaped, exposing a large amount of the skin around the legs. They have a pointed snout and two tiny sensory barbels under the chin to find prey in the mud. Males have a very long, thick tail ending in a horny nail/spine, while females have short, stubby tails.
Cuidado, criação e companheiros de tanque
Terrarium Setup: A 30-gallon glass aquarium (36x18 inches footprint) is the permanent enclosure for one specimen or a pair. VITAL REQUIREMENT: the water must not be too deep (6-10 inches / 15-25 cm maximum) and the layout MUST include large driftwoods and roots reaching the surface, allowing the turtle to 'climb' up to breathe without swimming effort. If the tank is deep and empty, they will drown from exhaustion. Provide fine sand on the bottom (they love to dig in it) and never large gravel which they can swallow, causing intestinal blockage.
Lighting and Heating: Being North American, they do not need extremely hot water: 72-76°F (22-24°C) is ideal. They strictly require a dry basking area (a floating island or wedged piece of cork bark) heated by a spot lamp (86°F / 30°C) and illuminated by a 5% UVB fluorescent bulb. Although they bask less than other species, the absence of UVB will weaken their shell, leading to metabolic bone disease or cutaneous fungal parasitic infections.
Humidity and Hydration: Exclusively aquatic. Any aquatic turtle pollutes the water 10 times more than a fish of the same size: an oversized external canister filter (rated for double or triple the tank's water volume) is imperative to break down the massive organic ammonia load (feces and carnivorous food waste). Perform weekly 30% partial water changes by vacuuming the bottom with a siphon.
Feeding and Supplementation: Strictly carnivorous (molluscivorous). They almost entirely refuse vegetables. The captive base diet must include high-quality carnivorous turtle pellets, silversides (whole small fish complete with bones and organs), earthworms, and, their absolute favorite food, aquatic snails (Physa, Ramshorn) which they crush with their powerful beaks, acquiring natural calcium for their shell. Remove uneaten food after 15 minutes to avoid poisoning the water.
Compatibility: Very territorial and aggressive. Two males will mutilate each other, biting off toes or tails. The ideal is to keep them individually. They can tolerate cohabitation with small, fast fish (e.g. Guppies, Rasboras), but any slow or sick fish (and any ornamental aquarium snail) will be considered food and disemboweled overnight.
Health and Common Diseases: Soft Shell Syndrome (MBD): the shell becomes soft like rubber if deprived of UVB and calcium, or if fed solely on dried shrimp (Gammarus) which lack nutrition and cause fatal Vitamin A deficiency (swollen, closed eyes). Fungal infections (white mold patches on skin and shell) caused by poor water quality and the absence of a warm, dry basking zone.
Origem e distribuição geográfica
Widespread throughout eastern North America (from Canada down to Florida). They populate slow-moving rivers, swamps, lakes, and muddy ponds rich in aquatic vegetation. They are terrible swimmers: they spend their lives 'walking' on the muddy bottom searching for snails, hiding under submerged branches and roots.
Origem
Melhoramento seletivo e cultivaresAmérica do NorteCosmopolita ou apresentado
Perfil de réptil
- Dieta
- Carnivore
- They are highly carnivorous and opportunistic feeders, consuming a variety of aquatic invertebrates, small fish, snails, and carrion in the wild. In captivity, a balanced diet consists of high-quality aquatic turtle pellets, earthworms, bloodworms, and the occasional feeder fish or shrimp. While they may occasionally nibble on aquatic vegetation, protein makes up the vast majority of their dietary intake.
- Tamanho adulto
- 13 cm
- Estilo de vida/Microhabitat
- Aquatic
- These turtles are almost entirely aquatic, preferring slow-moving or still bodies of water with soft, muddy bottoms and abundant hiding places. They are relatively poor swimmers compared to sliders or cooters, relying on walking along the substrate to get around. Consequently, their captive habitat should feature shallow water and numerous climbing structures that reach the surface.
- Ciclo de atividades
- Crepuscular
- Musk turtles are primarily nocturnal and crepuscular, doing most of their foraging and exploring during the early morning, evening, or night. During the day, they prefer to rest in shallow water, often hiding under submerged logs or dense aquatic vegetation. They occasionally bask, but far less frequently than many other aquatic turtle species.
- Socialidade
- Solitary
- They are notoriously feisty and possessive of their space, earning the name "stinkpot" because they can release a foul-smelling musk from glands under their shell when severely threatened. They spend the vast majority of their time walking along the bottom of the water body rather than actively swimming in the water column. While they can be aggressive towards tank mates, they often become tame towards their caretakers over time.
- Reprodução
- Oviparous
- Females typically lay multiple small clutches of hard-shelled eggs each year, often depositing them under debris, rotting logs, or in shallow dug nests near the water's edge. The sex of the hatchlings is determined by the incubation temperature, a trait common among many turtle species. Hatchlings are incredibly small and fully independent from the moment they emerge.
- Tolerância de tratamento
- With caution
- Handling should be minimized as they are prone to stress and may release their pungent musk or attempt to bite if they feel insecure. When handling is necessary, they should be picked up carefully by the rear of the carapace to avoid their surprisingly long reach. Frequent handling is unnecessary and generally discouraged for this predominantly aquatic species.
- Brumação
- In the northern parts of their natural range, they undergo brumation during the winter months, burying themselves in the mud at the bottom of ponds. In captivity, brumation is not strictly necessary for their health unless breeding is desired, and they can be kept active year-round with stable temperatures. If brumation is attempted, it must be done under carefully controlled conditions.
- Muda
- Regular
- Unlike snakes or lizards, turtles shed their skin in small, continuous, stringy flakes rather than in one complete piece, which is particularly noticeable underwater. They also periodically shed the individual scutes of their shell as they grow. Ensuring excellent water quality and providing an appropriate basking area helps prevent retained scutes and bacterial infections during this process.
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