Morphology Data of Syngnathoides biaculeatus
Identification keys
Abnormalities
Main Ref. Dawson, C.E., 1986
Appearance refers to
Bones in OsteoBase

Sex attributes

Specialized organs other
Different appearance always different morphology between mature adults
Different colors
Remarks Males with brood pouch; females with ovipositor (Ref. 205).

Descriptive characteristics of juvenile and adult

Striking features
Body shape lateral eel-like
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout tube-like
Position of mouth terminal
Type of scales
Diagnosis

Variable green to brown or grey, depending on habitat (Ref. 48635).

Description: Characterized by variable white and dark markings on body; absence of caudal fin; rings 15-18 + 40-54; continuous superior and inferior trunk ridge with respective tail ridges; inconspicuous inferior trunk ridge; dorsally deflected lateral trunk ridge behind anal ring, ends below superior tail ridge near rear base of dorsal fin; length of snout 1.7-1.8 in head length; depth of snout 5.3-7.8 in snout length; head length 4.9-6.3 in SL (Ref. 90102).

Ease of Identification

Meristic characteristics of Syngnathoides biaculeatus

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
total

Fins

Dorsal fin(s)

Attributes
Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 38 - 48
Adipose fin absent

Caudal fin

Attributes

Anal fin(s)

Fins number 1
Spines total 0 - 0
Soft-rays total 4 - 4

Paired fins

Pectoral Attributes  
Spines     0
Soft-rays   20 - 24
Pelvics Attributes  suppressed/absent
Position    absent
Spines     0
Soft-rays   0 - 0
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