Oplegnathus conwayi Cape knifejaw, Beaked Galjoen

Oplegnathus conwayi is commonly referred to as Cape knifejaw, Beaked Galjoen. Difficulty in the aquarium: Not suitable for aquarium keeping. Toxicity: Toxic hazard unknown.

Johan Swanepoel, Südafrika

Foto: Port Elizabeth, Süd-Afrika

Courtesy of the author Johan Swanepoel, Südafrika . Please visit www.easterncapescubadiving.co.za for more information.

Uploaded by AndiV.

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lexID:: 13200
AphiaID:: 218776

Scientific:: Oplegnathus conwayi
German:: Schnabelbarsch, Messerkieferfisch
English:: Cape Knifejaw, Beaked Galjoen

Category:: Inne ryby

Family tree:: Animalia (Kingdom) > Chordata (Phylum) > Actinopterygii (Class) > Perciformes (Order) > Oplegnathidae (Family) > Oplegnathus (Genus) > conwayi (Species)
Initial determination:: Richardson, 1840

Occurrence:: South-Africa, Western Indian Ocean
Marine Zone:: Subtidal, sublittoral, infralittoral, deep zone of the oceans from the lower limit of the intertidal zone (intertidal) to the shelf edge at about 200 m water depth. neritic.
Sea depth:: 0 - 150 Meter
Habitats:: Coastal waters, Coral reefs, Reef-associated, Seawater, Sea water
Size:: up to 35.43" (90 cm)
Temperature:: 14,9 °F - 22,3 °F (14,9°C - 22,3°C)
Food:: Algae (Algivore), Aquatic plant, Invertebrates, Zoobenthos
Difficulty:: Not suitable for aquarium keeping
Offspring:: Not available as offspring
Toxicity:: Toxic hazard unknown

CITES:

Not evaluated

Red List:

Not evaluated (NE)

Related species at Catalog of Life:

Author:: Meerwasser-Lexikon Team
Publisher:: Meerwasser-Lexikon.de
Created:: 2020-08-14 18:46:50
Last edit:: 2026-03-09 14:25:48

Info

Oplegnathus conwayi Richardson, 1840

Silver-grey body, with an oblong triangular head and fused teeth forming a parrot-like beak. A broad dark mask over eyes and a diffuse dark spot around and behind base of pectoral fin. Juveniles bright yellow with a black bar over eye and a broad dark bar on rear of body and tail base.

Synonymised names
Hoplegnathus algoensis Gilchrist & Thompson, 1916 · unaccepted
Hoplegnathus conwayi (Richardson, 1840) · unaccepted
Ichthyorhamphos pappei Castelnau, 1861 · unaccepted (misspelling)
Ichthyorhamphus pappei Castelnau, 1861 · unaccepted > misspelling - incorrect subsequent spelling
Oplegnathus algoensis Gilchrist & Thompson, 1916 · unaccepted (junior synonym)
Oplegnathus conwaii Richardson, 1840 · unaccepted

External links

FishBase (multi). Abgerufen am 14.08.2020.
Reef Life Survey (en). Abgerufen am 14.08.2020.

Pictures

Adult

Juvenile

Commonly

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