Morphology Data of Ecsenius aequalis
Identification keys
Main Ref. Springer, V.G., 1988
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 elongated
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Description: Overall grey to tan with horizontal stripes black three lateral and one at dorsal-fin base, may be broken or absent sometimes (Ref. 90102). Detailed color description of live and preserved specimens could be found in Ref. 5296. Osprey Reef and Great Barrier Reef fishes differ in size and color pattern (Ref. 5269). Dorsal fin XII.13-15 (usually 14); anal fin 11,14-17 (usually 16); pectoral fin 12-14 (usually 13); caudal-fin segmented rays 13. Vertebrae 10 + 21-23 (usually 22); dentary incisors and canines very similar in appearance, 42-51, posterior canines 4-8 on each side (rarely 8 unilaterally), but less than 4 in specimens less than 20 mm SL. (Ref. 5296). Posterior rim of anterior nostril with cirrus. Lateral line tube series ends between ninth to twelfth dorsal spine. Body depth 5.7 in SL at anal-fin origin (Ref. 90102).

Ease of Identification

Meristic characteristics of Ecsenius aequalis

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
preanal 10 - 10
total 31 - 32


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   
Spines total 12 - 12
Soft-rays total 13 - 15
Adipose fin

Caudal fin


Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 14 - 17

Paired fins

Pectoral Attributes  
Soft-rays   13 - 15
Pelvics Attributes  
Spines     1
Soft-rays   3 - 3
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Olisa, Kristine Elaine Paz
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