Frogfish

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Frogfish

Striated frogfish, Antennarius striatus
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Lophiiformes
Family: Antennariidae
Genera

Allenichthys
Antennarius
Antennatus
Echinophryne
Histiophryne
Histrio
Kuiterichthys
Lophiocharon
Nudiantennarius
Phyllophryne
Rhycherus
Tathicarpus
See text for species.

Frogfishes, family Antennariidae, are a type of anglerfish in the order Lophiiformes. They are known as anglerfishes in Australia, as 'frogfish' actually refers to a different type of fish there. Frogfishes are found in almost all tropical and subtropical oceans and seas around the world, the primary exception being the Mediterranean Sea.[1]

Contents

[edit] Description

Pink frogfish Antennarius ocellatus from East Timor. This individual is camouflaged on the purple sponge that it sits on.

They are generally small fish, less than 10–20 cm (3.9–7.9 in) in length, with large globose heads. They can be distinguished from other anglerfish by the three extended dorsal fin spines on their heads. The first dorsal spine is modified as a fishing lure to attract prey. The lure consists of the illicium (the spine) and the esca (the bait), and may resemble a worm, crustacean, or small fish. Frogfishes do not swim in the conventional way; instead, they "walk" on their pectoral fins or use 'jet propulsion' (forcefully expelling water from the small opercular opening generally behind and below the pectoral fins).[2]

They are mostly bottom-dwelling fish, typically living amongst coral, at up to 100 metres (330 ft) depth, where they lie in wait for prey. They are able to change their colour to match the background with high precision, and their camouflage is further aided by numerous warts and filaments on their skin, giving them an appearance similar to rough coral.[2]

The Sargassum fish, Histrio histrio, is unique among frogfish in that it is endemic to and clings on floating Sargassum weed.[3]

[edit] Species

There are 45 species in twelve genera:

[edit] Gallery

[edit] External links

[edit] References

  1. ^ "Antennariidae". FishBase. Ed. Rainer Froese and Daniel Pauly. February 2006 version. N.p.: FishBase, 2006.
  2. ^ a b Bertelsen, E. & Pietsch, T.W. (1998). Paxton, J.R. & Eschmeyer, W.N.. ed. Encyclopedia of Fishes. San Diego: Academic Press. pp. 138-139. ISBN 0-12-547665-5. 
  3. ^ Theodore W. Pietsch (2005). "Antennariidae". Tree of Life web project. http://tolweb.org/Antennariidae/21993. Retrieved on 4 April 2006. 
  4. ^ Robin McDowell, Associated Press (2009-02-26). "Indonesia's psychedelic fish named a new species". Jakarta, Indonesia: Associated Press. http://hosted.ap.org/dynamic/stories/A/AS_INDONESIA_FUNKY_FISH. Retrieved on 2009-02-26. 
  5. ^ Jennifer Viegas (2009-02-25). "Psychedelic Fish Crawls With 'Legs'". Discovery Blogs: Born Animal. Discovery. http://blogs.discovery.com/news_animal/2009/02/psychedelic-fish-crawls-with-legs.html. Retrieved on 2009-02-26. 
  6. ^ Sandra Hines, <shines@u.washington.edu> (2009-02-24). "DNA evidence is in, newly discovered species of fish dubbed H. psychedelica". University of Washington News, http://uwnews.org. http://uwnews.org/article.asp?articleID=47496. Retrieved on 2009-02-27. 
  7. ^ Lucy Williamson, BBC News, Jakarta (2009-02-27). "Psychedelic fish 'is new species'". BBC News. http://news.bbc.co.uk/2/hi/asia-pacific/7914121.stm. Retrieved on 2009-02-27. 
  8. ^ Theodore W. Pietsch, Rachel J. Arnold, and David J. Hall (2008-10-17 (submitted 2008-08-01)). "[http://www.finsonline.com/podcasts/pdfs/2009/psychedelica.pdf A Bizarre New Species of Frogfish of the Genus Histiophryne (Lophiiformes: Antennariidae) from Ambon and Bali, Indonesia]". School of Aquatic and Fishery Sciences, and Burke Museum of Natural History and Culture, University of Washington, Campus Box 355020, Seattle, Washington 98195; E-mail: (TWP) twp@u.washington.edu; and (RJA) schoenrj@u.washington.edu. Copeia (2009, No. 1, 37–45). http://www.finsonline.com/podcasts/pdfs/2009/psychedelica.pdf. Retrieved on 2009-02-27. 
  • Pietsch and Grobecker, 1987. Frogfishes of the World. Stanford University Press.

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