Morphology Data of Gobiopterus lacustris
Identification keys
Main Ref. Herre, A.W.C.T., 1927
Appearance refers to Male; Female
Bones in OsteoBase

Sex attributes

Specialized organs different shape of head (f,m)
Different appearance always different morphology between mature adults
Different colors males alike females
Remarks Males are larger with bulldog like head. Genital organs are likewise larger than females (Ref. 29019). Anal papilla of females is short and thick while that of males is threadlike and pointed (Ref. 439).

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral fusiform / normal
Cross section compressed
Dorsal head profile
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth

Adults are transparent or yellowish in color (Ref. 13460). A few black specks on snout and chin present in some specimen, others have specks scattered over back of head and a row along the base of anal fin (Ref. 439).

Ease of Identification

Meristic characteristics of Gobiopterus lacustris

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
on upper limb


Dorsal fin(s)

Attributes no striking attributes
Fins number 2
Finlets No. Dorsal   
Spines total 4 - 5
Soft-rays total 1 - 7
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 2
Soft-rays total 9 - 8

Paired fins

Pectoral Attributes  more or less normal
Pelvics Attributes  more or less normal
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Luna, Susan M.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17