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Dicrossus foirni Römer, Hahn & Vergara, 2010 |
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photo by
JJPhoto |
Family: | Cichlidae (Cichlids), subfamily: Geophaginae | |||
Max. size: | 7.09 cm SL (male/unsexed); 4.5 cm SL (female) | |||
Environment: | benthopelagic; freshwater | |||
Distribution: | South America: Rio Negro, Amazon drainage in Brazil. | |||
Diagnosis: | Dorsal spines (total): 15-16; Dorsal soft rays (total): 6-7; Anal spines: 3-3; Anal soft rays: 6-7. Can be distinguished readily by having three rows of round to vertical-ovoid, alternating dark grey to blackish, double or triple spots on the sides of the body; adult males with a black spot on the dorsum and basal part of the dorsal fin at the position of hard rays 7 to 8, and a pointed rhombic caudal fin. Exhibits pronounced sexual size and color dimorphism (Ref. 85095). | |||
Biology: | Inhabits all types of water. Juveniles occur exclusively in very soft and acid, clear and black water while sub-adults occur in whitewater brooks (Ref. 85095). | |||
IUCN Red List Status: | Data deficient (DD); Date assessed: 07 November 2018 Ref. (130435) | |||
Threat to humans: | harmless |