Country Species Summary

Alticorpus mentale in Tanzania, United Rep. of

Alticorpus mentale Stauffer & McKaye, 1988
Family:	Cichlidae (Cichlids) , subfamily: Pseudocrenilabrinae	picture (Almen_m0.jpg) by Turner, G.F.
Order:	Perciformes (perch-likes)
Class:	Actinopterygii (ray-finned fishes)
FishBase name:
Max. size:	20.1 cm SL (male/unsexed; Ref. 55908)
Environment:	benthopelagic ; depth range 18 - 150 m
Climate:	tropical; 12°S - 15°S
Global Importance:	fisheries: ; aquarium: commercial
Resilience:	High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Distribution:	Africa: Endemic to southern part of Lake Malawi.
Diagnosis:	Dorsal spines (total): 15-17; Dorsal soft rays (total): 9-11; Anal spines: 3-3; Anal soft rays: 8-10. Diagnosis: no protuberance on the chest (Ref. 55908). Low number of gill-rakers (Ref. 27611, 55908). Pores and bones in infraorbital series on the head small; lower jaw 44.7-51.1% head length; 3-4 rows of scales on cheek starting from ventroposterior corner (Ref. 55908). Description: body shape variable, from relatively elongate to deep-bodied; lower jaw clearly prognathous; sensory canal openings moderately enlarged, somewhat atypical for the genus; no large reduction in scales on the cheek, with major part of the cheek scaled; outer teeth in adults unicuspid, sharp and slightly recurved, and inner teeth unicuspid; lower pharyngeal bone stout and relatively broad, but not really enlarged, with stout, big and widely set teeth; gill-rakers relatively stout and simple except for the largest ones, which may be claviform and polyfid; 23-32 scales in upper part of lateral line, 14-20 in lower part (Ref. 55908). Coloration: Live: Adult (territorial) males: black with a purple hue on dorsal part of body and a blue-green hue laterally on head; unpaired fins dark grey; dorsal fin with white margin; vague dark maculae and striae pattern on dorsal and caudal fins; anal fin dark proximally, lighter grey distally with large yellow-white ocelli; pectoral fins transparent; pelvic fins black with white leading edge (Ref. 55908). Females: silvery with a purple hue on dorsal and dorso-lateral parts of body and head; fins grey or yellow-grey; vague dark maculae and striae pattern on dorsal and caudal fins (Ref. 55908). Immature and non-territorial males with color pattern intermediate between females and territorial males, becoming darker with increasing territoriality (Ref. 55908). Preserved: Juveniles, females and non-territorial males: brownish yellow with 6-7 vertical bars below the dorsal fin; ventral part of body silvery in some large females; dorsal and caudal fin greyish-brown, sometimes with some inconspicuous dark maculae; pelvic and anal fins yellow-white; pectorals transparent (Ref. 55908). Territorial males: dark brown with vertical bars; parts between bars lighter brown; branchiostegal membranes, pelvic fins and ventral part of body dark brown to black; pectorals whitish; dorsal, anal and caudal fins grey-black; dorsal fin lappets white; no maculae visible on dorsal and caudal fins (Ref. 55908).
Biology:	More or less evenly distributed below 60m (Ref. 55908). Prefers sandy and muddy bottoms (Ref. 5595)
Threatened:	, (Ref. 36508)
Dangerous:	harmless
Coordinator:	Kullander, Sven O.
Main Ref:	Maréchal, C.. 1991. (Ref. 5594)
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Tanzania, United Rep. of country information
Common names:	[ No common name ]	Ref:
Status:	native	Ref:
Salinity:	freshwater
Uses:	no uses
Comments:	Known from Lukoma Bay, Manda Bay (Amelia Bay) and Wissman Bay (Ref. 55908).
Country Information:	www.cia.gov/cia/publications/factbook/geos/tz.html
National Fisheries Authority:	www.isp.msu.edu/AFRICANSTUDIES/PLEA/TAFIRI.HTM
Occurrences:	Occurrences Point map
Main Ref:	Snoeks, J. and R. Walapa, 2004
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Entered: Musschoot, Tobias

CGNET - US

Page created by: Eli, 20.10.03, last modified by Eli, 26.06.07

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		(e.g. 9948)		(e.g. cephalopods)
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