Hippocampus fisheri Jordan & Evermann, 1903
Fisher's seahorse
Hippocampus fisheri
photo by Lourie, S.A.

Family:  Syngnathidae (Pipefishes and seahorses), subfamily: Syngnathinae
Max. size:  8 cm OT (male/unsexed)
Environment:  pelagic; marine; depth range - 0 m, non-migratory
Distribution:  Western Pacific: Hawaii.
Diagnosis:  Description: (based on 18 specimens): Adult height: 5.0-8.0cm. Rings: 11 + 37-38 (36-39). Snout length: 2.2-2.3 in head length. Dorsal fin rays: 17-18 covering 2-3+1-2 rings. Pectoral fin rays: 15 (13-16). Coronet: slightly raised with five tiny sharp points. Spines: small, but quite sharp; occasional spines expanded and flattened. Other distinctive characters: small, sharp, slightly hooked double eye and cheek spines; prominent, sharp, hook-like spine in front of coronet; two spines behind coronet. Color pattern: golden orange, red or pink; enlarged knobs brighter color; head, crown and snout orange brown; pouch paler than rest of body in males; some with blackish mottling.
Biology:  Length type refers to Height (= from tip of coronet to the tip of straightened tail). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
IUCN Red List Status: Least Concern (LC); Date assessed: 23 August 2016 Ref. (130435)
Threat to humans:  harmless
Country info:  A single specimen from Lord Howe Island was included in Ref. 30915. Species reported in this country were subsequently described as H. jugumus and H. pusillus (Ref. 115213).


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