Morphology Data of Stomatepia mongo
Identification keys
Main Ref. Stiassny, M.L.J., A. Lamboj, D. De Weirdt and G.G. Teugels, 2008
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 fusiform / normal
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth

Diagnosis: elongate and gracile, body depth 25.0-30.5% of standard length; mouth relatively small, upper jaw 26.8-28.8% of head length (Ref. 81260).

Description: body elongate and gracile (body depth 25.3-30.6% SL); snout long (34.0-39.0% HL); preorbital depth 20.0-25.2% HL; mouth relatively small, upper jaw short (26.8-28.8% HL); outer teeth in oral jaws with 2 unequal cusps or minor cusp reduced to a shoulder or absent; inner row teeth tricuspid at all sizes; lower pharyngeal jaw markedly longer than wide, teeth small and hooked; gill rakers small, conical; microbranchiospines usually present; lateral line system on head not markedly enlarged or inflated (Ref. 81260).

Coloration: base body coloration dark grey, paler ventrally; no well-defined pattern of bands or blotches on flanks; pelvic and anal fins often tinged pink; dorsal fin lappets often pink (females) or orange (males), tipped in black in both sexes; some individuals completely black in coloration; "tilapia spot" never present in soft dorsal fin (Ref. 81260).

Ease of Identification

Meristic characteristics of Stomatepia mongo

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales
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 15 - 17
on upper limb


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0
Ventral  0
Spines total 14 - 16
Soft-rays total 10 - 12
Adipose fin absent

Caudal fin


Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 8 - 9

Paired fins

Pectoral Attributes  
Pelvics Attributes  
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Musschoot, Tobias
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