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The dwarf seahorse has a gestation period of 10–14 days and can live up to over 2 years in captivity. The water temperature in the aquarium must place between 20–28 °C (68–82 °F), with a pH ranging around 8-8.5. [12] The tank water must be renewed regularly, once, or twice a day. The survival rate of dwarf seahorses in captivity is ...
The lined seahorse (Hippocampus erectus), northern seahorse or spotted seahorse, is a species of fish that belongs to the family Syngnathidae. [ 3 ] [ 4 ] H. erectus is a diurnal species with an approximate length of 15 cm (5.9 inches) and lifespan of one to four years.
Seahorses range in size from 1.5 to 35 cm (0.6 to 13.8 in). [13] They are named for their equine appearance, with bent necks and long snouted heads and a distinctive trunk and tail. Although they are bony fish, they do not have scales, but rather thin skin stretched over a series of bony plates, which are arranged in rings throughout their bodies.
H. patagonicus is an ovoviviparous species, with females using an ovipositor to transfer eggs into a male's brood pouch, where they are fertilized and protected until the male gives birth to live young. Average gestation time is 19.6 days, and average brood size in captivity is 207 individuals. Offspring size is 0.7 centimetres (0.28 in).
On average, captive animals (especially mammals) live longer than wild animals. This may be due to the fact that with proper treatment, captivity can provide refuge against diseases, competition with others of the same species and predators. Most notably, animals with shorter lifespans and faster growth rates benefit more from zoos than animals ...
A medium-sized seahorse, the tiger tail seahorse reaches a maximum total length of around 15 centimetres (5.9 in). [5] The coloration of this species is variable, generally being black or brown in adults with yellow saddle shapes on the upper surface and yellow stripes on the tail, hence the common name.
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The long-snouted seahorse is a small-sized fish that can reach a maximum length of 21.5 cm (8 + 1 ⁄ 2 in), but the average size is more or less 12 cm (5 in). [5] [6] The body is slender, the snout is long and the tail is prehensile. Its head and dorsal ridge have often some more or less long and numerous dermal filaments which can be simple ...