|
Parapriacanthus argenteus (von Bonde, 1923) Yellowhead sweeper |
|
|
photo by
King, D.R. |
| Family: | Pempheridae (Sweepers) | |||
| Max. size: | 6.6 cm SL (male/unsexed) | |||
| Environment: | reef-associated; marine; depth range - 59 m | |||
| Distribution: | Western Indian Ocean: Mozambique, South Africa and Oman. | |||
| Diagnosis: | Dorsal spines (total): 6-6; Dorsal soft rays (total): 9-9; Anal spines: 3-3; Anal soft rays: 20-23. This species is distinguished by having a midventral, black, pin-like mark, about half length of pelvic fins, within a white band that encircles head of pin just anterior to anus (not present in juveniles); pectoral-fin length 3.3-3.45 in SL; preanal length 1.45-1.55 in SL; dorsal profiles of head and nape are nearly straight; iris in alcohol silvery white; differs from P. guentheri in having smaller eye size (40-50 mm in SL vs. 7.6-7.7 mm in SL in P. guentheri (Ref. 107896). | |||
| Biology: | ||||
| IUCN Red List Status: | Not Evaluated (N.E.) Ref. (130435) | |||
| Threat to humans: | harmless | |||