Flagtail pipefish
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Doryrhamphus Dunckerocampus |
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| Doryrhamphus japonicus | |
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| Dunckerocampus dactyliophorus | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Syngnathiformes |
| Family: | Syngnathidae |
| Subfamily: | Syngnathinae |
| Genera | |
Doryrhamphus and Dunckerocampus, popularly known as flagtail pipefish, are two genera of fishes in the Syngnathidae family. They are found in warm, relatively shallow waters of the Indo-Pacific, with a single species, D. paulus, in the eastern Pacific. Most of these pipefishes are very colourful, and are fairly popular in the marine aquarium hobby despite requiring special care and not being recommended for beginners.
Their habit of flashing the distinctly patterned tails during courtship and other displays have earned them their English popular name. Adults are highly territorial and usually live in pairs. They feed on tiny crustaceans and other small animals, and most species from the genus Doryrhamphus will sometimes act as cleaners.
Doryrhamphus have a maximum length of 14 centimetres (5.5 in) or less, with D. janssi being the only species that surpasses 8.5 centimetres (3.3 in). Most species have a horizontal blue line along their body, and all have a whitish-edged tail that is marked contrastingly with black, red or yellow.
Dunckerocampus are more elongated and have a maximum length between 10 and 20 centimetres (3.9 and 7.9 in), with D. chapmani being the only species with a maximum length below 15 centimetres (5.9 in). Their tail is red with a whitish edge, and in some species there is a white or yellow spot in the center. All except D. baldwini (and a similar, but possibly undescribed species from the eastern Indian Ocean) have vertical red/brown and yellow/white stripes on their body.
Considerable taxonomic confusion exists in these genera, both because a number of scientifically undescribed species remain and some of the already described species are variable.
The first to recognise the species now placed in Dunckerocampus as worthy of a separate genus was the German ichthyologist George Duncker, and for this reason he coined Acanthognathus in 1912. However, unbeknown to him that name was preoccupied by a genus of ants. The replacement name Dunckerocampus honours Duncker.
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Wikipedia