Morphology Data of Enneapterygius larsonae
Identification keys
Abnormalities
Main Ref. Allen, G.R. and M.V. Erdmann, 2012
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs
Different appearance
Different colors
Remarks

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral elongated
Cross section oval
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales
Diagnosis

Male dusky red with black "mask" covering most of head, chest, and pectoral-fin base, about 5 whitish saddles/bars on back (a few extending on lower side), and white bar on pectoral-fin base (immediately posterior to black area). Female mainly brownish or greenish with white bars. Dorsal rays III + XI-XIV + 8-12; anal rays I,14-20; pectoral rays 14-18; pelvic rays I,2; lateral line interrupted, 14-20 + 13-20; head, chest, and pectoral-fin base scaleless; lobate orbital tentacle; mandibular pores 3-4 + 1-2 +3-4. Maximum size to 4.4 cm TL (Ref. 90102).

Ease of Identification

Meristic characteristics of Enneapterygius larsonae

Lateral Lines 2 Interrupted: No
Scales on lateral line 27 - 40
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
total

Fins

Dorsal fin(s)

Attributes extending over most of the back length
Fins number 3
Finlets No. Dorsal   
Ventral  
Spines total 14 - 17
Soft-rays total 8 - 12
Adipose fin absent

Caudal fin

Attributes more or less truncate; more or less normal

Anal fin(s)

Fins number 1
Spines total 1 - 1
Soft-rays total 14 - 20

Paired fins

Pectoral Attributes  more or less normal
Spines     
Soft-rays   14 - 18
Pelvics Attributes  more or less normal
Position    jugular
Spines     1
Soft-rays   2 - 2
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
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