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Syngnathiformes (Pipefishes and seahorses) >
Syngnathidae (Pipefishes and seahorses) > Syngnathinae
Etymology: Syngnathus: Greek, syn, symphysis = grown together + Greek, gnathos = jaw (Ref. 45335).
More on author: Girard.
Environment: milieu / climate zone / djupintervall / distribution range
Ekologi
marina; brackvatten bottenlevande; djupintervall 0 - 5 m (Ref. 96339). Subtropical; 61°N - 22°N, 150°W - 109°W
Eastern Pacific: Sitka, Alaska to southern Baja California in Mexico; the northern population ranges from Alaska to Monterey Bay, southern population from Morro Bay southward.
Size / Vikt / Age
Könsmognad: Lm ? range ? - ? cm
Max length : 32.5 cm TL hane/ej könsbestämd; (Ref. 93899); 38.5 cm TL (female)
Short description
Bestämningsnycklar | Morfologi | Morfometri
Common in eelgrass of bays and estuaries, sometimes taken in shallow offshore waters (Ref. 5316). Feeds on crustaceans (Ref. 6885). Females larger than males (R.C. de Graaf, pers. Comm., 2001; Ref. 93899). Ovoviviparous (Ref. 205). The male carries the eggs in a brood pouch which is found under the tail (Ref. 205).
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
A female wraps herself around a male in a rigid vertical S position. Eggs are fertilised in the brood pouch of the male (Ref. 6885).
Eschmeyer, W.N., E.S. Herald and H. Hammann, 1983. A field guide to Pacific coast fishes of North America. Boston (MA, USA): Houghton Mifflin Company. xii+336 p. (Ref. 2850)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Fiskeri: kommersiell; Akvarium: Offentliga akvarier
Verktyg
Special reports
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Estimates based on models
Preferred temperature (Ref.
123201): 8.3 - 18, mean 10.2 °C (based on 254 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00027 (0.00013 - 0.00055), b=3.18 (3.01 - 3.35), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.40 se; based on food items.
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (tmax=2;).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).
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