Classification / Names
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Cichlasomatinae
Etymology: Aequidens: Latin, aequus, equal, equally + Latin, dens, dentis = teeth (Ref. 45335); tubicen: Name from Latin word meaning trumpeter, referring to the river drainage, the Trombetas, to which the species seems to he restricted; and Portuguese 'trombetas' means trumpets..
More on authors: Kullander & Ferreira.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
; स्वच्छ जल, अलवण जल बेनथोपिलाजिक. Tropical
South America: Amazon River basin, restricted to Trombetas River close to Cachoeira Porteira, Brazil.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 11.6 cm SL पुल्लिंग / अलिंग; (Ref. 36377)
Short description
आकृति विज्ञान | मौरफोमैटरिक्स
This species is moderately large (to almost 12 cm) with triserial predorsal scale pattern, relatively long pectoral fin (32.5-37.7% of SL) and 25-26 scales in the E1 row. It is most similar to A. pallidus, both with an enhanced, wide, light spot anterior to the caudal spot, lateral band high on side, posteriorly positioned midlateral spot and high vertebral number (usually 14 + 13 = 27). It differs from A. pallidus in colour pattern which includes characteristics unique for the genus: an irregularly rounded blackish spot at the corner of the preopercle and adjacent cheek; lateral band running from head to dorsal margin of caudal peduncle, interrupted by a large, elongate midlateral spot and subdivided into 2 or 3 elongate spots posteriorly; midlateral spot contiguous with or only narrowly separated from a wide dark bar running dorsally to the base of the dorsal fin, the spot and bar together forming a strongly oblique, backwards slanting vertical marking (Ref. 86501).
Prefers small, fast running creeks and rapids. Feeds on fish, insects and plant detritus.
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Kullander, S.O., 2003. Cichlidae (Cichlids). p. 605-654. In R.E. Reis, S.O. Kullander and C.J. Ferraris, Jr. (eds.) Checklist of the Freshwater Fishes of South and Central America. Porto Alegre: EDIPUCRS, Brasil. (Ref. 36377)
IUCN Red List Status (Ref. 130435)
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