Morphology Data of Hippocampus angustus
Identification keys
Main Ref. Lourie, S.A., A.C.J. Vincent and H.J. Hall, 1999
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 other
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth
Type of scales

Description: (based on 54 specimens): Adult height: 7.8-15.5 cm. Rings: 11 + 33-34 (32-35). Snout length: 2.2 (2.0-2.5) in head length. Dorsal fin rays: 18 (17-19) covering 2+1 rings. Pectoral fin rays: 16-17 (15-19). Coronet: medium height with 5 well developed sharp spines. Spines: well developed (blunt or sharp tips); usually low in neck region. Other distinctive characters: double sharp cheek spines; double spine below eye; prominent, sharp eye spine. Color pattern: body often covered in a net-like pattern of brown markings; snout with fine stripes; spines with a brown band towards their tip.

Ease of Identification

Meristic characteristics of Hippocampus angustus

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


Dorsal fin(s)

Fins number 1
Finlets No. Dorsal   0 - 0
Ventral  0 - 0
Spines total 0 - 0
Soft-rays total 17 - 19
Adipose fin absent

Caudal fin

Attributes other (see remark)

Anal fin(s)

Fins number 1
Spines total
Soft-rays total

Paired fins

Pectoral Attributes  used for locomotion
Spines     0
Soft-rays   15 - 19
Pelvics Attributes  suppressed/absent
Position    absent
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Froese, Rainer
Modified by Capuli, Estelita Emily
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