Pterygoplichthys disjunctivus (Weber, 1991)
Vermiculated sailfin catfish
photo by Ramani Shirantha

Family:  Loricariidae (Armored catfishes), subfamily: Hypostominae
Max. size:  70 cm TL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Madeira River basin. Introduced to countries outside its native range.
Diagnosis:  Dorsal soft rays (total): 10-14; Anal soft rays: 3-5
Biology:  Typically from floodplain lakes, swamps and borrow pits, in poorly-oxygenated waters and must rely on air breathing for long periods of time. Has a specialized (enlarged) stomach which appear to function as accessory respiratory organs (Ref. 58517).
IUCN Red List Status: Least Concern (LC); Date assessed: 25 November 2020 Ref. (130435)
Threat to humans:  potential pest
Country info:  Specimens collected from Laguna de Bay (Marikina and Pasig rivers, Catmon and Banilad creeks, San Pedro, Laguna) (Ref. 56084). Also recorded from Tabuating river, Nueva Ecija (Ref. 109918). Competes with native fishes and comprise majority of catch from the lake, affecting fishermen's income (Ref. 53891).


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