Morphology Data of Rypticus courtenayi
Identification keys
Main Ref. McCarthy, L.V., 1979
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 short and / or deep
Cross section compressed
Dorsal head profile more or less straight
Type of eyes more or less normal
Type of mouth/snout more or less normal
Position of mouth
Type of scales

Body, excluding cheeks, with small, well-defined cream spots on dark background, concentrated in the anterodorsal field; spotting relatively sparse, usually lacking on median fins. Body and head, excluding lips with embedded scales; posterior limb of maxillary scaled. Dorsal spines 2 (rarely 3). Lower jaw only slightly projecting, sometimes with fleshy protuberance. In > 6.5 cm SL specimens, there are numerous, small pores in patches along the ventral surface of lower jaw; those along margin of preopercle confined to patches (Ref. 40934).

Ease of Identification

Meristic characteristics of Rypticus courtenayi

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
total 7 - 9
preanal 10 - 10
total 24 - 24


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 2 - 2
Soft-rays total 23 - 26
Adipose fin

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total
Soft-rays total 15 - 17

Paired fins

Pectoral Attributes  more or less normal
Soft-rays   14 - 16
Pelvics Attributes  more or less normal
Position    thoracic  before origin of D1
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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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