Alticorpus macrocleithrum (Stauffer & McKaye, 1985)

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Actinopterygii \| Perciformes \| Cichlidae \| Pseudocrenilabrinae
Synonyms	Cyrtocara macrocleithrum, Aulonocara macrocleithrum, ... more
Common names	Olkaluotaaja, 大肩高身丽鱼, 大肩高身麗魚, ... more

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Main reference

Maréchal, C. 1991. (Ref. 5594)
Other references | Biblio | Coordinator : Kullander, Sven O. | Collaborators

Size / Weight / Age

Max length : 12.7 cm SL male/unsexed; (Ref. 5594)

Environment

Benthopelagic; freshwater; depth range 30 - 150 m (Ref. 55908), usually 60 - 150 m (Ref. 55908)

Climate / Range

Tropical; 13°S - 15°S

Africa: endemic to Lake Malawi. Found at Cape Maclear and Monkey Bay.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 15 - 16; Dorsal soft rays (total): 9 - 11; Anal spines: 3; Anal soft rays: 8 - 9. Diagnosis: cleithrum elongated, forming a clear prominence protruding on the chest, already visible in specimens of 53.0mm SL; sensory pores on the head greatly enlarged (Ref. 55908). Description: dentary rather shallow; outer oral jaw teeth in adults unicuspid, sometimes bicuspid in smaller specimens; inner row jaw teeth unicuspid; teeth moveably attached; lower pharyngeal bone slender with fine, acute teeth in low densities; 1 or 2 series of cheek scales; upper part of lateral line with 20-25 scales, lower part 12-18; gill-rakers long, simple, bi- or trifid; dorsal and anal fins of adult males with elongated filaments; pectoral fins relatively long (Ref. 55908). Coloration: Live: Adult territorial males: background color green-blue to purple with black bars; body, and dorsal and posterior parts of head, with a brown-purple hue; green-blue component most pronounced on anterior and ventro-lateral parts of head; ventral parts black; dorsal and caudal fins grey-brown; dorsal fin margin black; dark maculae and striae pattern on dorsal and caudal fins; pectoral fins grey; anal fin black anteriorly and grey posteriorly with large white or yellow ocelli (Ref. 55908). Females: silvery with brownish hue on dorsal and dorso-lateral parts; fins grey; dorsal fin lappets dark brown; vague dark maculae and striae pattern on dorsal and caudal fins (Ref. 55908). Immature and non-territorial males intermediate between female and adult male gradually becoming darker and more bronzy and then green-blue with increasing territoriality (Ref. 55908). Preserved juveniles, females and non-territorial males: yellow-brown with 6 vertical bars under the dorsal fin base; bars sometimes barely visible; fins yellow-brown; dorsal fin with dark lappets and dark maculae; caudal fin without maculae; ventral, dorsal and distal parts of caudal fin somewhat darker than the rest (Ref. 55908). Small color pattern differences exist between populations (Ref. 55908).

Typical deep-water species, with an even distribution below 60m (Ref. 55908). Found in areas where the bottom consist of diatomaceous ooze (Ref. 5595) but also on sandy habitats (Ref. 55908). Food may consist of invertebrates (Ref. 5595) and perhaps small fishes (Ref. 55463).


IUCN Red List Status (Ref. 57073)	Threat to humans
Least Concern (LC)	Harmless

Human uses
Fisheries: ; aquarium: commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Low vulnerability (18 of 100)	Not marketed/unknown

Entered by Binohlan, Crispina B.

Modified by Musschoot, Tobias

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Page last modified by : elaxamana, 15 July 2009

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