Prionotus horrens — Details

Bristly Searobin learn more about names for this taxon

Overview

Comprehensive Description

Description

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Common names: searobin (English), cabro (Espanol), rubio (Espanol), vaca (Espanol)
 
Prionotus horrens Richardson, 1844


Bristly searobin



Head deep; eye large; wide between eyes; projecting snout plates short; no transverse groove across top of head behind eyes; bony ridge under eye with 2 spines at rear; teeth on jaws and roof of mouth simple; two separate dorsal fins, X + 10-12; pectoral fins relatively short, barely reaching under origin of 2nd  dorsal, 13-14 rays, with 2-3 enlarged free rays at bottom of fin that are detached from main fin;  body with rough scales;  flank scales smooth; rear flap of operculum with scales; nape scaled; lateral-line scales 93-105.


Grey brown with dark blotch below rear part of second dorsal fin and broad brown band below eye with an extension behind mouth; pectoral fin blackish with large clear patch on outer half; tail fin with large dark spots basally and blackish longitudinal streaks on outer half forming three irregular bars.

Size: reaches 35 cm.

Habitat: trawled on mud-sand.

Depth: 7-105 m.

Southern Baja and the SW and eastern Gulf of California to Peru.

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Distribution

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Eastern Pacific: Mazatlan, Mexico to Peru.
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Range Description

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This species is endemic to the Eastern Pacific, and is found from southern Baja California and the Gulf of California to northern Peru.
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Eastern Pacific.
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Depth

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Depth Range (m): 7 (S) - 105 (S)
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Zoogeography

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See Map (including site records) of Distribution in the Tropical Eastern Pacific


 
Global Endemism: All species, East Pacific endemic, Tropical Eastern Pacific (TEP) endemic

Regional Endemism: All species, TEP endemic, Continental TEP endemic, Mexican + Panamic provinces endemic, Continent, Continent only

Residency: Resident

Climate Zone: North Temperate (Californian Province &/or Northern Gulf of California), Northern Subtropical (Cortez Province + Sinaloan Gap), Northern Tropical (Mexican Province to Nicaragua + Revillagigedos), Equatorial (Costa Rica to Ecuador + Galapagos, Clipperton, Cocos, Malpelo), South Temperate (Peruvian Province )

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Physical Description

Morphology

Size

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Length max (cm): 35.0 (S)
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Size

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Maximum size: 350 mm TL
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Ecology

Habitat

Environment

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demersal; marine
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Habitat and Ecology

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Habitat and Ecology
This demersal species is found over mud and sandy bottoms to depths of 105m.

Systems
  • Marine
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Depth range based on 30 specimens in 1 taxon.

Environmental ranges
  Depth range (m): 3 - 80

Graphical representation

Depth range (m): 3 - 80
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Salinity: Marine, Marine Only

Inshore/Offshore: Inshore, Inshore Only

Water Column Position: Bottom, Bottom only

Habitat: Soft bottom (mud, sand,gravel, beach, estuary & mangrove), Soft bottom only, Mud, Sand & gravel

FishBase Habitat: Demersal
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Trophic Strategy

Feeding

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Feeding Group: Carnivore

Diet: mobile benthic worms, mobile benthic crustacea (shrimps/crabs), mobile benthic gastropods/bivalves, octopus/squid/cuttlefish
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Life History and Behavior

Reproduction

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Egg Type: Pelagic, Pelagic larva
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Conservation

Conservation Status

IUCN Red List Assessment

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Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
van der Heiden, A., Cotto, A., Rojas, P., Bearez, P., Collette, B.

Reviewer/s
Carpenter, K., Polidoro, B., Livingstone, S. (Global Marine Species Assessment Team)

Justification
This species is widespread in the Eastern Pacific. There are no major threats to this species, and no current indication of population decline. It is listed as Least Concern.
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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

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Population
No population information is available for this species.

Population Trend
Unknown
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Threats

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Least Concern (LC)
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Major Threats
There are no major threats known for this species. It is occasionally caught as bycatch in shrimp trawls.
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Management

Conservation Actions

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Conservation Actions
There are no known conservation measures for this species. However, this species distribution falls partially into a number of Marine Protected Areas in the Eastern Pacific region (WDPA 2006).
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