Doryrhamphus janssi

Doryrhamphus janssi, commonly known as the Janss' pipefish , is a species of pipefish belonging to the family Syngnathidae.

Doryrhamphus janssi
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Syngnathiformes
Family: Syngnathidae
Genus: Doryrhamphus
Species:
D. janssi
Binomial name
Doryrhamphus janssi
Synonyms[2]
  • Dentirostrum janssi Herald & Randall, 1972
  • Dunckerocampus janssi (Herald & Randall, 1972)

Description

Doryrhamphus janssi has a long, slender body with an elongated, tubular mouth. It's a small sized fish which can reach a maximal length of 14 cm.[3] The body of this species is bright orange while the head and anterior portion of the trunk are blue. Its tail is flag-like with a black background color, white margin and white dot in the center.

Distribution & habitat

The Janss' pipefish is found in the tropical waters of the central Indo-Pacific area, from Indonesia to the Philippines, this latter is the northern and eastern limit of the species distribution.[2] It likes sheltered inner reef and it is usually observed under small coral overhangs and crevices.[4]

Biology

Doryrhamphus janssi is a cleaner fish specialised in small fish like apogonids and damselfishes, they usually work in couple.[3]

It is ovoviviparous and like for the seahorse, the male carries the eggs in a brood pouch.[4]

Captivity

The Janss' Pipefish is not easily kept because of to its unusual feeding requirements. This fish generally prefers to eat only live copepods.[5]

Name

The specific name honours Edwin Janns Jr., a Los Angeles property developer who had a keen interest in marine biology.[6]

References
  1. Pollom, R. (2017). "Doryrhamphus janssi". The IUCN Red List of Threatened Species. 2017: e.T155073A67621213. doi:10.2305/IUCN.UK.2017-2.RLTS.T155073A67621213.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2018). "Doryrhamphus janssi" in FishBase. February 2018 version.
  3. Kuiter, R.H. & T. Tonozuka (2001). Pictorial guide to Indonesian reef fishes. Part 1. Eels- Snappers, Muraenidae - Lutjanidae. Zoonetics, Australia. p. 302.
  4. Breder, C.M. & D.E. Rosen (1966). Modes of reproduction in fishes. T.F.H. Publications, Neptune City, New Jersey. p. 941.
  5. Peteducation.com Archived February 2, 2010, at the Wayback Machine
  6. Herald, E. S.; J. E. Randall (1972). "Five new Indo-Pacific pipefishes". Proceedings of the California Academy of Sciences. Series 4. 39 (11): 121–140.


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