Halicampus grayi

Gray's pipefish, also known as the mud pipefish or spiny pipefish (Halicampus grayi) is a species of marine fish of the family Syngnathidae.[3] It is found in the Indo-Pacific in the Gulf of Aden, Sri Lanka, and from the Gulf of Thailand to Japan, the Marshall Islands, and the Great Barrier Reef. It lives to depth of 100 metres (330 ft), and planktonic juveniles have been found above depths of 3,000 metres (1.9 mi).[1] It occurs in muddy habitats, in estuaries, and on coral reefs, where it likely feeds on small crustaceans. It can grow to lengths of 20 centimetres (7.9 in). This species is ovoviviparous, with males carrying eggs in a brood pouch before giving birth to live young.[1]

Grey's pipefish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Syngnathiformes
Family: Syngnathidae
Genus: Halicampus
Species:
H. grayi
Binomial name
Halicampus grayi
Kaup, 1856
Synonyms[2]
  • Halicampus conspicillatus Kaup, 1856
  • Syngnathus koilomatodon Bleeker, 1858
  • Halicampus koilomatodon (Bleeker, 1858)
  • Syngnathus trachypoma Günther, 1884
  • Trachyrhamphus caba Seale, 1910

H. grayi is brownish with dark bars along the side of its body, and pale bars on the gill membrane. This colouring provides extremely good camouflage for muddy and silty habitats, where the species will cover itself to stay hidden.[4]

References
  1. Kuo, T. & Pollom, R. (2016). "Halicampus grayi". The IUCN Red List of Threatened Species. 2016: e.T65367590A67624487. doi:10.2305/IUCN.UK.2016-1.RLTS.T65367590A67624487.en.
  2. Froese, Rainer and Pauly, Daniel, eds. (2018). "Halicampus grayi" in FishBase. February 2018 version.
  3. Dawson, C.E., 1985. Indo-Pacific pipefishes (Red Sea to the Americas). The Gulf Coast Research Laboratory Ocean Springs, Mississippi, USA
  4. Thompson, Vanessa J. & Dianne J. Bray, Halicampus grayi in Fishes of Australia, accessed 10 Jan 2018, http://fishesofaustralia.net.au/home/species/1528


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