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However, they are slow to consume their food and have extremely simple digestive systems that lack a stomach, so they must eat constantly to stay alive. [44] Seahorses are not very good swimmers, and for this reason they need to anchor themselves to seaweed , coral or anything else that will keep the seahorse in place.
When mating, the female seahorse deposits up to 1,500 (average of 100 to 1,000) eggs in the male's pouch, located on the ventral abdomen at the base of the tail. Male juveniles develop pouches when they are 5–7 months old. The male carries the eggs for 9 to 45 days until the seahorses emerge fully developed, but very small.
It is expected to feed on small crustaceans, similar to other seahorses. This species is ovoviviparous , with males carrying eggs in a brood pouch before giving birth to live young. [ 1 ] Individuals reach sexual maturity at 11 centimetres (4.3 in). [ 3 ]
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.
These seahorses are usually found at depths of 10–100 meters. Recently, however, juvenile flat-nosed seahorses were observed at a depth of less than 0.1 meters, and these could have been the first drifting juvenile seahorses ever recorded along Malacca Strait. This is perhaps strong evidence for passive long-distance migration in this species [5]
The Knysna / ˈ n aɪ z n ə / seahorse or Cape seahorse (Hippocampus capensis) is a species of fish in the family Syngnathidae. [3] It is endemic to the south coast of South Africa, where it has been found in only three brackish water habitats: the estuary of the Keurbooms River in Plettenberg Bay, the Knysna Lagoon, and the estuarine portion of the Swartvlei system in Sedgefield.
Short snouted seahorses are considered ovoviviparous meaning that the female deposits eggs into a pouch on the males stomach, called a brood pouch, and the male goes through pregnancy and labour. [9] Sexual maturation occurs during the first reproductive season after birth.
In both Brazil and Argentina, seahorses are collected and traded as curios, traditional medicines, religious amulets and as aquarium fishes. H. patagonicus is the most commonly caught seahorse species in the south and southeast regions of Brazil, usually as by-catch of shrimp fisheries. Habitat degradation by coastal urban development, shrimp ...