Achirus declivis Chabanaud, 1940
Plainfin sole
Lost sole
Achirus declivis
photo by Macieira, R.M.

Family:  Achiridae (American soles)
Max. size:  18.7 cm TL (male/unsexed); max.weight: 90.2 g
Environment:  demersal; brackish; marine
Distribution:  Western Atlantic: Belize to Santa Catarina, Brazil; also Trinidad, Jamaica, St. Barthélemy, and Suriname.
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 55-60; Anal spines: 0-0; Anal soft rays: 43-46
Biology:  Common in estuarine areas (Ref. 36453).
IUCN Red List Status: Least Concern (LC); Date assessed: 24 August 2012 Ref. (130435)
Threat to humans:  harmless
Country info:  Museum: Laguna Joyuda, ANSP 144392 (3: 2.8-3.6 cm SL), 143003 (12.5 cm SL). Off Añasco, ANSP 143002 (13.7 cm SL), 144385 (8.8 cm SL). Río Guanajibo, Mayagüez, ANSP 144513 (12.2 cm SL). Mayagüez, ANSP 144515 (5.8 cm SL). Caño Corazones mouth, Mayagüez, ANSP 144520 (4.5 cm SL). Puerto Rico, ANSP 144514 (12.6 cm SL) (Ref. 51183).


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