Dicrossus warzeli Römer, Hahn & Vergara, 2010

Family:  Cichlidae (Cichlids), subfamily: Geophaginae
Max. size:  6 cm SL (male/unsexed); 3.5 cm SL (female)
Environment:  benthopelagic; freshwater
Distribution:  South America: endemic to the Tapajos River, Amazon River system in Brazil.
Diagnosis:  Dorsal spines (total): 15-17; Dorsal soft rays (total): 6-8; Anal spines: 3-3; Anal soft rays: 6-7. Can be distinguished easily by its three longitudinal rows of dark grey to blackish, horizontally elongate, dash-like spots on the sides of the body; and caudal fin spatulate in adult males. Exhibits clear sexual size and color dimorphism (Ref. 85095).
Biology:  Inhabits exclusively clear-water rivers. Juveniles measuring about 2.0 cm SL occur in small brooks with sandy bottoms and patches of leaf litter. Observed searching the bottom substrate for small invertebrates and detritus by picking up and turning the leaves. Collected only in very soft water (no detectable hardness) with high acidity, pH value mostly less than 4 (Ref. 85095).
IUCN Red List Status: Least Concern (LC); Date assessed: 07 November 2018 Ref. (130435)
Threat to humans:  harmless
Country info:   
 


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