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Porichthys mimeticus Walker and Rosenblatt, 1988
MIMETIC MIDSHIPMAN
Mimic midshipman

Life   Vertebrata   Fish   Batrachoididae   Porichthys

Porichthys mimeticus
© Copyright Ross Robertson, 2006 · 12
Porichthys mimeticus

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Porichthys mimeticus
© Copyright Photographer/SFTEP, 2002 · 0
Porichthys mimeticus
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Overview
Main identification features
  • back: 4-6 saddles
  • dorsal fin has 1-2 rays spots at front, dark border
  • c: border dark
  • lower gill rakers: 10-12
  • lower lateral lineends ~18 pores before its line light-organs
  • anal fin has 29-32 rays, dark margin
One solid spine on opercle; no subopercular spines; 10-12 rakers on lower limb of first gill arch; no scales; teeth like canines; 4 lateral lines on body with light organs; dorsal and anal fins not joined to tail; first dorsal fin 2 solid spines, separate from second dorsal fin; second dorsal 32-36 rays; anal rays 29-32; lower row of light organs ends ~18 pores after same lateral line; pectoral 16-20 rays.

4-6 dark saddles on back; dorsal fin with thin dark margin, 1-2 dark spots at front; tail with dark border; anal fin with thin dark margin; pectoral with dusky base, dusky rays; pelvics with dark rays.

Size: 21.5 cm.

Habitat: mud and sand bottoms.

Depth: 80-185 m.

Gulf of California.


Attributes
Abundance: Common.
Cites: Not listed.
Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California); Northern Subtropical (Cortez Province + Sinaloan Gap); Northern Tropical (Mexican Province to Nicaragua + Revillagigedos).
Depth Range Max: 185 m.
Depth Range Min: 80 m.
Diet: bony fishes; mobile benthic crustacea (shrimps/crabs); mobile benthic gastropods/bivalves.
Eastern Pacific Range: Northern limit=32; Southern limit=21; Western limit=-115; Eastern limit=-106; Latitudinal range=11; Longitudinal range=9.
Egg Type: Benthic; No pelagic larva; No pelagic phase.
Feeding Group: Carnivore.
FishBase Habitat: Demersal.
Global Endemism: Tropical Eastern Pacific (TEP) endemic; East Pacific endemic; All species.
Habitat: 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: 21.5 cm.
Regional Endemism: Continent only; Continent; TEP endemic; Continental TEP endemic; Cortez + Mexican provinces endemic; All species.
Residency: Resident.
Salinity: Marine; Marine Only.
Water Column Position: Bottom; Bottom only;


Names
Scientific source:

Links to other sites

References
  • 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.
  • Fischer , W. , Krup , F. , Schneider , W. , Sommer , C. , Carpenter , K. E. and Niem, V. H., 1995., Guia FAO para la Identificacion de Especies de para los fines de la Pesca. Pacifico Centro-Oriental. Volumen II. Vertebrados - Parte 1., FAO2:647-1200.
  • Walker , H.J. and Rosenblatt, R.H., 1988., Pacific toadfishes of the genus Porichthys (Batrachoididae) with descriptions of three new species., Copeia, 1988:887-904.

Acknowledgements

I thank Ashley MacDonald and John Pickering, University of Georgia, for technical support in building this page.


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