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He typically gives birth at night and is ready for the next batch of eggs by morning when his mate returns. Like almost all other fish species, seahorses do not nurture their young after birth. Infants are susceptible to predators or ocean currents which wash them away from feeding grounds or into temperatures too extreme for their delicate bodies.
Birth typically occurs during the night, and a female returning for the routine morning greeting finds her mate ready for the next batch of eggs. [45] The table below shows the gestation period and number of young born for some selected seahorses.
Seahorses are renowned for mating for life, with the male carrying the eggs. ... A heavily pregnant male Denise's pygmy seahorse is photographed on his way to give birth, in Wakatobi, Sulawesi ...
The short-snouted seahorse (Hippocampus hippocampus) is a species of seahorse in the family Syngnathidae. It is endemic to the Mediterranean Sea and parts of the North Atlantic, particularly around Italy and the Canary Islands. In 2007, colonies of the species were discovered in the River Thames around London and Southend-on-Sea. [4]
As many as 250 babies can be released during the delivery.
Pregnant male seahorse. Male pregnancy is the incubation of one or more embryos or fetuses by organisms of the male sex in some species. Most species that reproduce by sexual reproduction are heterogamous—females producing larger gametes and males producing smaller gametes ().
The Patagonian seahorse (Hippocampus patagonicus) is a species of marine fish of the family Syngnathidae. It inhabits coastal waters from northeastern Brazil to Chubut , Argentina . It generally is found at shallow depths attached to natural or artificial substrates.
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.