Teleostei (teleosts) >
Pleuronectiformes (Flatfishes) >
Achiridae (American soles)
Etymology: Apionichthys: Greek, apion = pear + Greek, ichthys = fish; it also exists "a-pion", no fatty (Ref. 45335).
More on author: Eigenmann.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Tropical
South America: Potaro River basin in Essequibo River drainage and middle to upper Amazon basin.
Size / Weight / Age
Maturity: Lm ? range ? - ? cm
Max length : 8.8 cm SL male/unsexed; (Ref. 49504)
Dorsal spines (total): 0; Dorsal soft rays (total): 65 - 73; Anal spines: 0; Anal soft rays: 46 - 51; Vertebrae: 32 - 35. Presence of scales on all areas of the head (except nasal area and a very narrow stripe on angle of preopercle in specimens larger than 5 cm SL); absence of a membrane connecting the dorsal, anal and caudal fins; two pelvic fins juxtaposed, enclosed by a single dermal envelope and positioned on the medial ventral line of the body (Ref. 49504).
Body shape (shape guide): short and / or deep.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Ramos, R.T.C., 2003. Systematic review of Apionichthys (Pleuronectiformes: Achiridae), with description of four new species. Ichthyol. Explor. Freshwat. 14(2):97-126. (Ref. 49504)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
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