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Rocio gemmata Contreras-Balderas & Schmitter-Soto, 2007 |
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photo by
Dubosc, J. |
| Family: | Cichlidae (Cichlids), subfamily: Cichlasomatinae | |||
| Max. size: | 7 cm SL (male/unsexed) | |||
| Environment: | benthopelagic; freshwater | |||
| Distribution: | North America: apparently endemic to the eastern Yucatan Peninsula, Mexico. | |||
| Diagnosis: | Dorsal spines (total): 18-18; Dorsal soft rays (total): 9-10; Anal spines: 8-9; Anal soft rays: 7-8. This species is characterized by the following: spots on the sides are larger than scales and not clearly aligned (vs. smaller than scales and rather well-aligned); stripe from the snout to the eye is interrupted (vs. continuous); quadrate bone with a spine (vs. none); maxilla reaching both a vertical and a horizontal line from orbit (vs. just to the ventral rim); cheek-scale rows modally 7 (vs. 6 or fewer); interradial scales on dorsal fin arranged in a row (vs. distally in two rows); dorsal and anal fins without filaments (vs. bearing filaments); anal and medial gut-loops not adjacent, well separated by the stomach and the liver (vs. always adjacent); rostral end of maxilla is notched or at least concave (vs. convex, notch absent); caudal ocellus blue in life (vs. white) (Ref. 74403). | |||
| Biology: | ||||
| IUCN Red List Status: | Near Threatened (NT); Date assessed: 05 February 2019 Ref. (130435) | |||
| Threat to humans: | harmless | |||