Classification / Names
Nomi Comuni | Sinonimi | Catalog of Fishes(Genere, Specie) | ITIS | CoL | WoRMS | Cloffa
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Rocio: Named for the author's wife. In Spanish, the name means morning dew, in allusion to the resplendent spots on cheek and sides of some species, R. gemmata.; gemmata: Name fro Latin 'gemmata' meaning 'bejeweled', referring to the large, bright green and blue cheek and opercle spots in life; an adjective..
Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce benthopelagico. Tropical
North America: apparently endemic to the eastern Yucatan Peninsula, Mexico.
Size / Peso / Age
Maturity: Lm ?  range ? - ? cm
Max length : 7.0 cm SL maschio/sesso non determinato; (Ref. 74403)
Short description
Morfologia | Morfometria
Spine dorsali (totale): 18; Raggi dorsali molli (totale): 9-10; Spine anali 8-9; Raggi anali molli: 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).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
Schmitter-Soto, J.J., 2007. A systematic revision of the genus Archocentrus (Perciformes: Cichlidae), with the description of two new genera and six new species. Zootaxa 1603:1-78. (Ref. 74403)
IUCN Red List Status (Ref. 130435)
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