Environment: milieu / climate zone / depth range / distribution range
Ökologie
seewasser; süßwasser; brackwasser; tiefenbereich 0 - ? m. Subtropical
Eastern Pacific: Santa Ana in southern California, USA to Costa Rica. Range extends to Panama (Ref. 36576). Reported from Peru and Galapagos Islands (Ref. 5530).
Size / Gewicht / Alter
Maturity: Lm ?  range ? - ? cm
Max length : 15.0 cm TL Männchen/unbestimmt; (Ref. 2850); common length : 9.0 cm SL Männchen/unbestimmt; (Ref. 9306)
Kurzbeschreibung
Bestimmungsschlüssel | Morphologie | Morphometrie
Rückenflossenstacheln (insgesamt) : 0; Rückenflossenweichstrahlen (insgesamt) : 13 - 15; Afterflossenstacheln: 0; Afterflossenweichstrahlen: 14 - 16; Wirbelzahl: 47 - 50. Branchiostegal rays: 10-12 (Ref. 36576).
Adults are found near shore, frequently in coastal bays at or near the surface. Often form small schools. Occasionally penetrate fresh waters (Ref. 9306). Presumably oviparous, with planktonic larvae (Ref. 36576). Eggs are attached to spawning substrate via filaments (Ref. 36576).
Life cycle and mating behavior
Maturities | Fortpflanzung | Spawnings | Egg(s) | Fecundities | Larven
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 Rote Liste Status (Ref. 130435)
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Tools
Zusatzinformationen
Download XML
Internet Quellen
Estimates based on models
Preferred temperature (Ref.
123201): 17.4 - 28.3, mean 23.4 °C (based on 64 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00257 (0.00115 - 0.00574), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref.
120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).