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The Japanese seahorse (in Japanese, kitano-umi-uma and sangotatsu) or lemur-tail seahorse (Hippocampus mohnikei) is a species of fish in the family Syngnathidae.The Japanese seahorse reaches a maximum length of 8.0 cm, is usually dark brown and has a relatively long tail, a ridgelike coronet and flattened spines.
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]
Pacific seahorses face many of the same threats that other seahorses face; over 20 million seahorses are sold each year to be used in Chinese medicine, the aquarium trade, or dried as curios. Mexico and Peru are the largest exporter of pacific seahorses, selling more than 1 dry ton annually. [5]
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. But in the early 2000s, British ...
The knobby seahorse (Hippocampus breviceps), also known as the short-headed seahorse or short-snouted seahorse, [3] is a species of marine fish of the family Syngnathidae.It inhabits coastal waters in southwestern and southeastern Australia, from Gregory to Bremer Bay (Western Australia), and from Denial Bay (South Australia) to Newcastle (New South Wales).
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.
Like other seahorses, the dwarf seahorse has a head angled at right angles to its body and swims upright using its dorsal fin to propel it and its pectoral fins to steer. It grows to an average length of 2 and 2.5 cm (0.8 and 1.0 in), with a maximum length of 5.0 cm (2.0 in).
Adult seahorses eat 30 to 50 times a day if food is available; due to their slow consumption they must feed constantly to survive. [20] Big-belly seahorses do not have a stomach or teeth, so they feed by sucking small invertebrates in through their bony tubular snouts with a flick of their head. Their snouts can expand if the prey is larger ...