Morphology Data of Hippocampus breviceps
Identification keys
Abnormalities
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). Males have longer tail than females (Ref. 52034).

Descriptive characteristics of juvenile and adult

Striking features striking shape of body
Body shape lateral other
Cross section
Dorsal head profile
Type of eyes
Type of mouth/snout
Position of mouth terminal
Type of scales
Diagnosis

Description: (based on 40 specimens): Adult height: 4.5-8.0 cm. Rings: 11 + 40 (39-43). Snout length: 3.0 (2.4-3.5). Dorsal fin rays: 20-21 (19-23) covering 3+1 rings. Pectoral fin rays: 14-15 (13-15). Coronet: tall, columnar or knob-like. Spines: irregularly developed, some very low, others very prominent rounded tubercles. Other distinctive characters: with or without mane of thick skin fronds on the head and neck region; mature males have prominent brood pouch.

Color pattern: purplish brown or yellowish or reddish; numerous dark-margined ocelli (white spots); often with dark spots or patches, especially on head; ventral surface of tail with paler transverse stripes.

Ease of Identification

Meristic characteristics of Hippocampus breviceps

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 19 - 23
Adipose fin absent

Caudal fin

Attributes other (see remark)

Anal fin(s)

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

Paired fins

Pectoral Attributes  used for locomotion
Spines     0
Soft-rays   13 - 15
Pelvics Attributes  suppressed/absent
Position    absent
Spines     
Soft-rays   
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