Morphology Data of Eleutheronema tetradactylum
Identification keys
Main Ref. Motomura, H., Y. Iwatsuki, S. Kimura and T. Yoshino, 2002
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features none
Body shape lateral elongated
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 terminal
Diagnosis

Pectoral filaments 4; fin membranes vivid yellow in life, except in large specimens, > ca 35 cm SL. Vomer with deciduous tooth plates on both sides, except in juveniles. Posterior part of maxilla deep, 3-4% of SL. Short tooth plate extension onto lateral surface of lower jaw. 7-9% SL (Ref. 41639).

Ease of Identification

Meristic characteristics of Eleutheronema tetradactylum

Lateral Lines Interrupted: No
Scales on lateral line
Pored lateral line scales 71 - 80
Scales in lateral series
Scale rows above lateral line 9 - 12
Scale rows below lateral line 13 - 15
Scales around caudal peduncle
Barbels
Gill clefts (sharks/rays only)
Gill rakers
on lower limb 3 - 10
on upper limb 3 - 8
total 6 - 18
Vertebrae
preanal
total

Fins

Dorsal fin(s)

Attributes
Fins number 2
Finlets No. Dorsal   
Ventral  
Spines total 9 - 9
Soft-rays total 13 - 15
Adipose fin absent

Caudal fin

Attributes forked; more or less normal

Anal fin(s)

Fins number 1
Spines total 3 - 3
Soft-rays total 14 - 16

Paired fins

Pectoral Attributes  other (see remarks)
Spines     0
Soft-rays   4 - 4
Pelvics Attributes  more or less normal
Position    thoracic  behind origin of D1
Spines     1
Soft-rays   5 - 5
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Capuli, Estelita Emily
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