Morphology Data of Ecsenius oculatus
Identification keys
Abnormalities
Main Ref. Springer, V.G., 1988
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance different morphology in juveniles and adults
Different colors always different colors between mature adults
Remarks Venter of mature large males sprinkled with fine melanophores; females unpigmented. Females have more incisors than males (Ref. 5296).

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
Diagnosis

Description: Dorsal fin XII.13-15, with deep notch between spinous and ray portions; anal fin II,15-17; pectoral rays 13; pelvic fin I, 3; caudal-fin segmented rays 13. Body depth at anal-fin origin 4.9-5.4 in SL. Vertebrae 10 + 21-23; incisors and anterior canine teeth look very similar, 47-60; posterior canines 1 on each side. Lateral line without pores, ends below 10th dorsal spine and 1st segmented ray. Anterior nostril with cirrus present only on posterior rim. Overall olive brown, nape with transverse pair of dark spots, body with series of 5-8 blackish ocelli (in pairs with distinct margin) and scattered smaller white spots streaks. Eyes brown but bright white on lower portion, and with narrow yellow ring around the pupil and yellow streaks on iris. Dark stripe from eyes to posterior edge of operculum. Operculum and lower cheek margin black. Spinous-dorsal fin with suprabasal stripe, fine and dusky (Ref. 5296, 90102). Fish from North West Cape North West Cape blanched in color but same color pattern (much like that from Christmas Island) but the ocelli are markedly lower in position on the body (Ref. 5296).

Ease of Identification

Meristic characteristics of Ecsenius oculatus

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
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb
on upper limb
total
Vertebrae
preanal 10 - 10
total 31 - 33

Fins

Dorsal fin(s)

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

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 2 - 2
Soft-rays total 15 - 17

Paired fins

Pectoral Attributes  
Spines     
Soft-rays   13 - 3
Pelvics Attributes  
Position    
Spines     1
Soft-rays   3 - 3
Back to Search
Comments & Corrections
cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17