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Actinopterygii (ray-finned fishes) > Characiformes (Characins) > Distichodontidae (Distichodus)
Etymology: Xenocharax: Greek, xenos = strange + Greek, charax = a marine fish without identification (Ref. 45335).

Environment / Climate / Range Ecology

Freshwater; benthopelagic. Tropical, preferred ?

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Africa: middle Congo River basin in Congo Republic (Ref. 52343, 114931), Democratic Republic of the Congo (Ref. 93897, 114931) and Cameroon (Ref. 114931).

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 16.4 cm SL male/unsexed; (Ref. 114931)

Short description Morphology | Morphometrics

Dorsal spines (total): 0; Dorsal soft rays (total): 18-22; Anal spines: 0; Anal soft rays: 13 - 15. Diagnosis: Xenocharax crassus is distinguished from Xenocharax spilurus by the presence of a large black mark located anteriorly on the dorsal fin, vs. absence; a small, round, black spot at the posterior half of the caudal peduncle and covering a total of 4 to 6 scales, ±2 to 3 scales in horizontal and vertical direction alike, vs. a large ovoid spot covering a total of about 35 to 46 scales, ±8 to 10 scales in horizontal and vertical direction alike; and a wider mouth, 29-34% of head length vs. 24-29% (Ref. 114931). In addition, for the specimens of similar sizes, X. crassus has a shorter dorsal-adipose distance than X. spilurus; further, most X. crassus specimens have 6 supraneurals vs. 7 in X. spilurus (Ref. 52343, 114931).

Found almost exclusively in forested tributaries or in savannah streams under dense gallery forest (Ref. 114931).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Pellegrin, J., 1900. Poissons nouveaux du Congo français. Bull. Mus. Natn. Hist. Nat., Paris, 6(3):98-101. (Ref. 52343)

IUCN Red List Status (Ref. 115185)

Not Evaluated

CITES (Ref. 94142)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries:

FAO(Publication : search) | FisheriesWiki |

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Xenocharax crassus Pellegrin, 1900