Morphology Data of Umbra pygmaea
Identification keys
Main Ref. Jones, P.W., F.D. Martin and J.D. Hardy Jr., 1978
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs no special organs
Different appearance males alike females
Different colors different colors during breeding season only

Descriptive characteristics of juvenile and adult

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

Body robust, thick, little compressed; head bluntly conic; snout short, equal to diameter of eye; mouth moderate, jaws short, mandible protrudes slightly beyond tip of upper jaw, premaxillaries not protractile. Gill rakers short and numerous. Dorsal inserted near pectoral than caudal base; pelvic inserted just before origin of dorsal , rays of depressed fin reaching to about 3rd anal ray. Caudal fin rounded, with 18-20 rays (Ref. 2196).

Pigmentation: yellowish green with 10-12 narrow lateral dark stripes; a dark stripe through eye; a black basicaudal bar; lower jaw pale; fins plain. Also Ref. 40476.

Ease of Identification

Meristic characteristics of Umbra pygmaea

Lateral Lines Interrupted: No
Scales on lateral line 6 - 7
Pored lateral line scales
Scales in lateral series 28 - 35
Scale rows above lateral line 32 - 37
Scale rows below lateral line 9 - 11
Scales around caudal peduncle
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 14 - 15
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 8 - 11

Paired fins

Pectoral Attributes  more or less normal
Spines     0
Soft-rays   12 - 16
Pelvics Attributes  more or less normal
Position    abdominal  before origin of D1
Spines     0
Soft-rays   6 - 6
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Sa-a, Pascualita
Modified by Reyes, Rodolfo B.
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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