Morphology Data of Microglanis eurystoma
Identification keys
Main Ref. Malabarba, L.R. and J.K.F. Mahler Jr., 1998
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

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.

Ease of Identification

Meristic characteristics of Microglanis eurystoma

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 6 - 9
Scales in lateral series
Scale rows above lateral line
Scale rows below lateral line
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 6 - 7
on upper limb 2 - 3
total 8 - 10
total 29 - 30


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 1 - 1
Soft-rays total 6 - 6
Adipose fin present

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number
Spines total
Soft-rays total 9 - 12

Paired fins

Pectoral Attributes  
Spines     1
Soft-rays   5 - 6
Pelvics Attributes  
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Torres, Armi G.
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