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Seahorses can coexist with many species of shrimp and other bottom-feeding creatures. Gobies also make good tank-mates. Keepers are generally advised to avoid eels, tangs, triggerfish, squid, octopus, and sea anemones. [54] Water quality is very important for the survival of seahorses in an aquarium.
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.
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.
Pygmy seahorses, about the size of a fingernail, are some of the smallest vertebrates in the world. First discovered in 1969 , little was known about the creatures.
Male seahorses have a specialized ventral brood pouch to carry the embryos, male sea dragons attach the eggs to their tails, and male pipefish may do either, depending on their species. [4] The most fundamental difference between the different lineages of the family Syngnathidae is the location of male brood pouch. [ 5 ]
Like all seahorses, females deposit their eggs in the brood pouch of the male, where they are subsequently fertilized by the male and sealed into the pouch. As the embryos develop, the fluid inside the pouch changes in salinity to acclimate the embryos to the salinity of the surrounding sea water.
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.
Photographs of seahorses taken by scuba divers revealed evidence of a long-lost species of marine worm that hasn’t been seen since the mid-1950s, scientists say. Long-lost ocean worms photobomb ...