Biology:Polyamblyodon gibbosum
| Polyamblyodon gibbosum | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Actinopterygii |
| Order: | Spariformes |
| Family: | Sparidae |
| Genus: | Polyamblyodon |
| Species: | P. gibbosum
|
| Binomial name | |
| Polyamblyodon gibbosum (Pellegrin, 1914)
| |
Polyamblyodon gibbosum (Cristie) is a species of marine fish in the Seabream family (family Sparidae) of order Perciformes. It is native to the east coast of Southern Africa.
Description
Robust, moderately deep body with a steep forehead and slightly protruding snout. Strongly defined lateral line and long pectoral fins.[2]
The colour is an overall blue-grey, with dusky to pale yellow fins.[2]
Attains 60 cm. Common length 35 cm.[3]
Diagnostics
The dorsal fin has 11 spines, followed by 12 rays. The anal fin has 3 spines and 11 rays. There are 16 to 19 gill rakers on the first gill arch. The lateral line has 77 to 78 scales. There are 2.5 times the body depth in the standard length.[4]
Taxonomy
Synonyms
- Pachymetopon gibbosus Pellegrin, 1914
- Polyamblyodon cristiceps Smith, 1940
Common names
- Cristie [2]
- Knife-back Seabream
Etymology
Latin gibbosum = humped
Distribution and habitat
Known only from KwaZulu-Natal to central Mozambique and Madagascar. Common on Aliwal shoal and Sodwana reefs. Offshore coral and rocky reefs from shallow to 30m, but not in the surf zone. Forms loose feeding shoals over reefs.[2] Little is known about the biology and population status. The species is not targeted to any great extent, and it is found in MPAs.[1]
Diet
Feeds on zooplankton.[2]
Reproduction
References
- ↑ 1.0 1.1 Mann, B.Q., Buxton, C.D., Russell, B., Pollard, D., Carpenter, K.E. & Sadovy, Y. 2014. Polyamblyodon gibbosum. The IUCN Red List of Threatened Species 2014: e.T170196A1291075. doi:10.2305/IUCN.UK.2014-3.RLTS.T170196A1291075.en. Downloaded on 20 May 2016.
- ↑ 2.0 2.1 2.2 2.3 2.4 King, Dennis; Fraser, Valda (2014). The Reef Guide. Struik Nature. ISBN 978-1-77584-018-3.
- ↑ Froese, Rainer and Pauly, Daniel, eds. (2016). "Polyamblydon gibbosum" in FishBase. 01 2016 version.
- ↑ Smith, J.L.B., 1977. The Sea Fishes of Southern Africa. 5th ed. 4th imp,Valiant publishers LTD. ISBN:0 86884 029 7
Wikidata ☰ Q2545257 entry
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