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Peristedion paucibarbiger Castro-Aguirre and Garcia-Domínguez, 1984
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Peristedion paucibarbiger
© Copyright Ross Robertson, 2006 · 12
Peristedion paucibarbiger

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Main identification features
  • snout plates long, parallel
  • 1st dorsal fin : no black spot
  • mouth barbels: chin 8 pairs; tip lip 3 pairs, 3rd very long
Body elongate, moderately compressed, square in cross section; with 21 spiny plates in top and bottom rows, 29 plates on upper side row (first 21 with single-pointed spine, last 8 with double-pointed spine), lower side row with 25 plates (the first 23 with a simple spine, the last 2 with a double-pointed spine); head flattened; snout long, depressed; no nasal spines; snout plates long, thin, parallel; a short, blunt, double-tipped spine between them; a short preopercular spine; two spines above eye, first with one point, second serrated; the largest spine on the head behind the eye; keel on top of nape ends in a backward-pointing spine; gill rakers long and thin, 26 on the first gill arch; mouth barbels filamentous, divided: chin with 8 pairs, upper lips with 3 pairs, third pair much larger than others; dorsal fin VIII, 19 ; anal fin 21; pectoral fin 12 +2 free rays.

Color: body intense red; pupil black, iris iridescent yellow.

Reaches 8cm.

Habitat: on soft bottoms.

Depth 60m.

Known from a single specimen collected off La Paz, western Gulf of California.

Abundance: Common.
Cites: Not listed.
Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap).
Depth Range Max: 60 m.
Depth Range Min: 60 m.
Diet: mobile benthic worms; mobile benthic crustacea (shrimps/crabs).
Eastern Pacific Range: Northern limit=25; Southern limit=25; Western limit=-111; Eastern limit=-111; Latitudinal range=1; Longitudinal range=1.
Egg Type: Pelagic; Pelagic larva.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: East Pacific endemic; Tropical Eastern Pacific (TEP) endemic; All species.
Habitat: Sand & gravel; Mud; Soft bottom (mud, sand,gravel, beach, estuary & mangrove); Soft bottom only.
Inshore Offshore: Inshore; Inshore Only.
IUCN Red List: Not evaluated / Listed.
Length Max: 8 cm.
Regional Endemism: TEP endemic; Continental TEP endemic; Cortez province endemic; Continent only; Continent; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;

Scientific source:

Links to other sites

  • Castro-Aguirre, J.L. and García-Domínguez, F., 1984., Una especie de Peristedion (Osteichthyes: Scorpaeniformes: Peristediidae) de la bahía de La Paz, Baja California Sur, México., Anales de la Escuela Nacional de Ciencias Biologicas de Mexico, 28:29-38.
  • Findley, L.T., Hendrickx, M.E., Brusca, R.C., van der Heiden, A.M., Hastings, P.A., Torre, J., 2003., Diversidad de la Macrofauna Marina del Golfo de California, Mexico., CD-ROM versión 1.0. Projecto de la Macrofauna del Golfo .  Derechos reservados de los autores y Conservación Internacional.
  • Galván-Magaña, F., Gutiérrez-Sánchez, F., Abitia-Cárdenas, L.A., Rodríguez-Romero, J., 2000., The distribution and affinities of the shore fishes of the Baja California Sur lagoons. In Aquatic Ecosystems of Mexico: Status and Scope. Eds. M. Manuwar, S.G. Lawrence, I.F. Manuwar & D.F. Malley. Ecovision World Monograph Series., Backhuys Publishers:383-398.


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