Morphology Data of Hippocampus alatus
Identification keys
Main Ref. Kuiter, R.H., 2001
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

Dorsal fin rays usually 17; trunk rings 11; tail rings 34-36; subdorsal spines 2-3/0-0.5,1,0-0.5, usually enlarged on 11th trunk ring; nose spine absent; spine above eye of moderate length, reaching pupil diameter; lateral head spine large, usually larger than spine above eye; coronet well developed, with 5-7 blunt spines, apex rough and rugose; upper shoulder-ring spine at gill opening; lower shoulder-ring spine low and thick, very broad when single or divided into two rounded tips; superior trunk and tail ridges with enlarged spines, forming laterally directed pairs at regular intervals with 2-3 on trunk and 3-4 on tail, greatly produced in young and least prominent in males; long and sometimes broad dermal flaps, often frilled along edges, on nape, lateral head spines, and enlarged body spines, usually attached posteriorly and just below tip; lateral line with pores on each trunk ring, running just above inferior ridge, continuing on tail to 12th-15th ring (Ref. 42735).

Ease of Identification

Meristic characteristics of Hippocampus alatus

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 15 - 18
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   16 - 18
Pelvics Attributes  suppressed/absent
Position    absent
Spines     0
Soft-rays   0 - 0
Main Ref. (e.g. 9948)
Glossary ( e.g. cephalopods )
Entered by Garilao, Cristina V.
Modified by Luna, Susan M.
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cfm script by eagbayani, 17.10.00, php script by rolavides, 13/03/08 ,  last modified by sortiz, 06.27.17