Tucuxi

Sotalia fluviatilis

Tucuxi

“ There may be a common thread of consciousness between man and dolphin. ”

– Joan McIntyre

Scientific Taxonomy & Character Information

Domain: Eukaryota

Kingdom: Animalia

Phylum: Chordata

Clade: Synapsida

Class: Mammalia

Order: Artiodactyla

Infraorder: Cetacea

Family: Delphinidae

Genius: Sotalia

Species: Sotalia fluviatilis

Descendant: dolphins

Named by: François Louis Paul Gervais and Émile Deville

Year Published: 1853

Size: 1.5 m (4.9 ft) long in length and height; 80–150 kg (180–330 lb) in weight

Lifespan: 35+ years

Type: 

Title: 

Pantheon: Terran/Gaian

Time Period: Holocene

Alignment: Neutral

Threat Level: ★★★★★

Diet: Carnivorous 🥩🐟🥓🧽

Elements: Water, sound

Inflicts: Waterblight, soundblight, echolocated

Weaknesses: Nature, electric, ice, arcane, dark

Casualties: ???

Based On: itself

Conservation Status: Endangered (EN) - IUCN Red List 

Tucuxi (Sotalia fluviatilis) is the species of oceanic dolphin and only real oceanic dolphin in the mainland and in Amazon river, rivaled to river dolphin. The only oceanic dolphin found in freshwater.

Etymology

 The word tucuxi is derived from the Tupi language word tuchuchi-ana, and has now been adopted as the species' common name. 

Physical Appearance

Tucuxi is frequently described as looking similar to the bottlenose dolphin. The dolphin is colored light to bluish grey on its back and sides. The ventral region is much lighter, often pinkish. It is theorized that this pinkish color may be caused or intensified by increased blood flow. The dorsal fluke is typically slightly hooked. The beak is well-defined and of moderate length. 

Abilities

The dolphin ear has specific adaptations to the marine environment. In humans, the middle ear works as an impedance equalizer between the outside air's low impedance and the cochlear fluid's high impedance. The olfactory lobes and nerves are absent in dolphins, suggesting that they have no sense of smell. Rather than smell, they are not thought to have a good sense of taste, as their taste buds are atrophied or missing altogether. Dolphins send out high frequency clicks from an organ known as a melon. This melon consists of fat, and the skull of any such creature containing a melon will have a large depression. This allows dolphins to produce biosonar for orientation. Beyond locating an object, echolocation also provides the animal with an idea on an object's shape and size, though how exactly this works is not yet understood.

Weaknesses

Dolphins don't suffocate outside of water; they breathe air like all mammals, although they can die of dehydration out of water.

Ecology

Dolphins have few marine enemies. Some species or specific populations have none, making them apex predators. Because the magnitude of threats may differ among tributaries, extrapolation from these small study areas should be undertaken with caution. The tucuxi exists in small groups of about 10-15 individuals, and swim in tight-knit groups, suggesting a highly developed social structure. Tucuxis are quite active and may jump clear of the water (a behavior known as breaching), somersault, spy-hop or tail-splash.


Tucuxis forage in tight groups, often chasing fish in rapid dashes just below the water surface, with fish jumping out of their way. Thirty species of fish are known to be prey, some living in protected lakes and channels, while others occur in fast-flowing rivers. For most of the smaller species of dolphins like tucuxis, only a few of the larger sharks, such as the bull shark, dusky shark, tiger shark and great white shark, are a potential risk, especially for calves.

Behavior

Dolphins are lured by dropped items that are inside nearby water blocks, knocking them around and chasing them. If the dolphin can not find a path to a dropped item, the dolphin may stay underwater to the point of drowning. Should the survivor or another creature hit a dolphin, the whole pod retaliates, attacking all at once similar to other sociable animals.

Distribution and Habitat

The tucuxi exists along much of the length of the Amazon River and many of its tributaries, and is found in Venezuela, Brazil, Peru, Ecuador, southeastern Colombia. The main distributional barriers for tucuxis are waterfalls, rapids and shallow waters.


Tamed

You cannot tame most dolphin species, except for common dolphin, orca, tucuxi, spotted dolphin, Commerson's dolphin, and bottlenose dolphin. Dolphins can be fed raw cod or pulled along with a lead that are tamed non-violently, rather than through a cordial and curious creature, it will slowly approach any survivor that is within radius. To tame it, you need to pet the creature twice, then feed it with fish or lobster meat.

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