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Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Hippocampus: Greek, ippos = horse + Greek,kampe = curvature (Ref. 45335); japapigu: Name from the colloquial Japanese name, Japapigu or Japan pig or 日本のピグミータツノオトシゴ..
Environment: milieu / climate zone / depth range / distribution range
Écologie
marin récifal; profondeur 5 - 22 m (Ref. 118476), usually 10 - 13 m (Ref. 118476). Subtropical
Northwestern Pacific: Japan and Chinese Taipei.
Taille / Poids / Âge
Maturity: Lm ? range ? - ? cm
Max length : 1.6 cm SL mâle / non sexé; (Ref. 118476)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 14. This species is distinguished from its congeners by the following set of characters: 28 tail rings; 14 dorsal fin rays; 9 pectoral fin rays; 4 subdorsal rings; bilaterally paired wing-like protrusions are formed by a pair of large truncate spines projecting laterad on first superior trunk ridge; elevated dorsal ridge is formed by unique triangular bony mounds dorsally on second, the third and fourth trunk rings with the posterior mound less pronounced; a large and prominent spine projecting laterad on eighth lateral trunk ridge (Ref. 118476).
This species was not associated with a particular host. It has been observed in association with mixed soft coral, Halimeda sp. (coralline algae) and hydroids on rocky reef walls and large boulders in both exposed and semi-sheltered locations (Ref. 118476)..
Life cycle and mating behavior
Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves
Short, G., R. Smith, H. Motomura, D. Harasti and H. Hamilton, 2018. Hippocampus japapigu, a new species of pygmy seahorse from Japan, with a redescription of H. pontohi (Teleostei, Syngnathidae). ZooKeys 779:27-49. (Ref. 118476)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Sources Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.0 ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
