Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
Siluriformes (Catfishes) >
Trichomycteridae (Pencil or parasitic catfishes) > Trichomycterinae
Etymology: Cambeva: Probably derived from the Tupi-Guarani, is a popular name for trichomycterid fishes in southern and south-eastern Brazil (Ref. 119381); luteoreticulata: Name 'luteoreticulata' from the Latin words 'luteus' and 'reticulata', meaning 'yellow' and 'reticulated', in reference to the flank colour pattern of adult specimens.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Freshwater; demersal. Subtropical
South America: Brazil.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 8.2 cm SL male/unsexed; (Ref. 137708)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 2; Dorsal soft rays (total): 7; Anal spines: 2; Anal soft rays: 5; Vertebrae: 38 - 40. This species is distinguished from its congeners by the following set of characters: unique rounded, stapula-shaped caudal fin in specimens above about 40 mm SL; short barbels, with the nasal barbel not reaching the orbit in specimens above 60 mm SL and maxillary and rictal barbels not reaching the interopercular patch of odontodes; anterior segment of the infraorbital series absent; procurrent caudal-fin rays 21 or 22 dorsal and 15 or 16 ventral; opercular odontodes 10-12; hypertrophied papillae on the head surface absent; narrow nasal barbel; unique pattern of ontogenetic colouration change consisting of flank pale yellow with irregularly shaped and arranged; dark brown to black blotches in specimens below about 40 mm SL, dark brown, with small, irregularly shaped pale yellow marks forming reticulate pattern in larger specimens; 7 pectoral-fin rays; anterior infraorbital absent; posterior margin of the caudal fin convex; pectoral-fin filament absent; 9 or 10 opercular odontodes; 29-32 interopercular odontodes; 15 or 16 ventral procurrent caudal-fin rays; dorsal-fin origin at a vertical through the centrum of the 21st or 22nd vertebra; jaw teeth incisiform, teeth arranged in rows; and 38-–40 vertebrae (Ref. 137708).
Body shape (shape guide): elongated; Cross section: oval.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Costa, W.J.E.M., C.R.M Feltrin, J.L.O Mattos and A.M. Katz, 2024. Top mountain areas of subtropical southern Brazil sheltering four new small-ranged catfishes (Siluriformes, Trichomycteridae): relationships and taxonomy. Evolutionary Systematics. 8:199-218. (Ref. 137708)
IUCN Red List Status (Ref. 130435: Version 2025-2)
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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