Diagnostic Description
provided by Fishbase
Diagnosis: Crenicichla ploegi is placed in the C. saxatilis species group by having a humeral blotch even in the smallest specimens observed, less than 80 scales in the E1 row (58â71), dimorphic males with many light dots scattered on the flank, and infraorbital series with very slender lacrimal bone and 5 separate post-lacrimal tubular infraorbitals; distinguished from all other species of the C. saxatilis group by the presence of dark spots and vermiculations on snout, interorbital area and dorsally on head in many adults up to 146.6 mm SL vs. dark markings absent or present only in juveniles but absent in adults (head uniformly dark gray in adults from 80 mm SL), and by the presence of a deep and strongly pigmented lateral band present in both juveniles and adults, occupying a depth of 4â6 horizontal scale rows vs. lateral band narrower, occupying a depth of 2â3 horizontal scale rows, and conspicuous only in juveniles and smaller specimens, faded or absent in larger specimens; Crenicichla ploegi is more elongate (body depth 17.8â21.7% SL) and has more scales in the E1 row (58â71 scales) than C. brasiliensis, C. britskii, C. frenata, C. isbrueckeri, C. labrina, C. lepidota, C.proteus, C. santosi, C. saxatilis and C. semicincta (body depth more than 21% SL, and fewer than 56 scales in the E1 row); Crenicichla ploegi differs from C. alta, C. albopunctata, C. anthurus, C. coppenamensis, C. pydanielae and C. sipaliwini by having the humeral blotch situated almost entirely below the anterior branch of the lateral line vs. humeral blotch with center on the level of the anterior branch of the lateral line (Ref. 119086).
Morphology
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Dorsal spines (total): 18 - 20; Dorsal soft rays (total): 13 - 15; Anal spines: 3; Analsoft rays: 9 - 12
Trophic Strategy
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Found a variety of aquatic habitats, mostly in streams and mid-sized rivers; type locality an exception, being a large river pool, more than 100 meters wide; streams and rivers inhabited by C. ploegi possess clear water, a moderate to fast water flow, and rocky bottoms, usually with well-developed riparian forest; also found in rivers with highly disturbed or suppressed riparian forest (Ref. 119086).
Crenicichla ploegi: Brief Summary
provided by wikipedia EN
Crenicichla ploegi is a species of cichlid native to South America. It is found swimming in Brazil. This species reaches a length of 28 cm (11 in).
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