Microglanis eurystoma Malabarba & Mahler, 1998
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Family:  Pseudopimelodidae (Bumblebee catfishes, dwarf marbled catfishes)
Max. size:  7.76 cm SL (male/unsexed); max.weight: 6.8 g
Environment:  demersal
Distribution:  South America: Upper Rio Uruguay drainage in Rio Grande do Sul and Santa Catarina states, southern Brazil.
Diagnosis:  Dorsal spines (total): 1-1; Dorsal soft rays (total): 6-6; Anal soft rays: 9-12; Vertebrae: 29-30. Large mouth gape (mouth width 21.5-27.1% SL) and squarish instead of conical head shape in large specimens. Shorter dorsal-fin spine (10.2-13.4% SL, vs. 13.4-21.0 in M. cottoides, 12.7-17.8 in M. parahybae, and 10.2-17.5 in M. cibelae) and larger predorsal length (40.4-45.7% SL, versus 35.1-42.0 in M. cottoides, 33.8-41.0 in M. parahybae, and 33.1-38.6 in M. cibelae) also distinguish this species.
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 02.12.99
Modified by: Torres, Armi G. - 19.11.08

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