Overview

Comprehensive Description

Description

  Common names: clingfish (English), chalaco (Espanol), chupapiedra (Espanol)
 
Tomicodon zebra (Jordan & Gilbert, 1882)

Zebra clingfish

Body relatively slender, elongate, head relatively slender (both viewed from above); front nostril with medium (height = distance between front & rear nostrils) skin flap; rear nostril behind front edge of eye; 4-5 pairs of upper & 3 pairs of lower 3-pointed incisors, followed by large canines - 2 on top jaw, 1-3 on lower; anus nearer sucker than anal fin origin; pectoral 19-21 rays; only a small fleshy swelling at pectoral base; sucker disc with broad patch of papillae at front, no papillae in center, 6-8 rows of papillae across rear section; dorsal 7-8 rays; anal 6-7 rays; tail 8 rays. 



Top olive to pink or red, top of back with 5 red-brown to black cross-bars, often in hour-glass shapes, 2 front ones broader & more distinct; large black spot on side above base of pectoral fin, at base of 1st  bar; bars fade out on sides, which are blackish or with small spots &/or wiggly lines; top of head and between hour-glass bars with red wriggly lines, marbled with blue-grey, operculum with black blotch, cheeks sometimes with 2-3 bluish streaks; dorsal, pectoral & tail dusky, anal and pelvics pale; usually a dark bar on base of tail, another across middle of fin.


Size: 5.6 cm.

Habitat: rocky bottoms.

Depth: 0-10 m?

Southern Baja and the SW and eastern Gulf of California to southern Mexico.
   
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Biology

Occurs in rocky areas (Ref. 37955). Feeds mainly on barnacles and small crustaceans (Ref. 37955).
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Distribution

Range Description

This species is endemic to the Eastern Central Pacific, and is found from southern Baja California and the eastern Gulf of California, including the Tres Marias Islands, to southern Mexico. There are also several questionable museum records from outlying localities, including the Revillagigedo Islands and Panama.
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Zoogeography

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, Cortez + Mexican 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)
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Eastern Pacific.
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Eastern Central Pacific: Mexico, including the Gulf of California.
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Depth

Depth Range (m): 0 (G) - 10 (G)
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Physical Description

Morphology

Dorsal spines (total): 0; Dorsal soft rays (total): 7 - 8; Analspines: 0; Analsoft rays: 6 - 7
  • Szelistowski, W.A. 1990 A new clingfish (Teleostei: Gobiesocidae) from the mangroves of Costa Rica, with notes on its ecology and early development. Copeia 1990(2):500-507. (Ref. 42103)
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Size

Length max (cm): 5.6 (S)
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Size

Max. size

6.0 cm NG (male/unsexed; (Ref. 37955))
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Type Information

Type for Gobiesox zebra
Catalog Number: USNM 29250
Collection: Smithsonian Institution, National Museum of Natural History, Department of Vertebrate Zoology, Division of Fishes
Collector(s): C. Gilbert
Locality: Mazatlan, Sinaloa, Mexico, Pacific
  • Type:
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Ecology

Habitat

Habitat and Ecology

Habitat and Ecology
This benthic, reef-associated species occurs in rocky areas (De La Cruz Agüero, 1997).

Systems
  • Marine
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Environment

demersal; marine
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Depth range based on 14 specimens in 1 taxon.
Water temperature and chemistry ranges based on 6 samples.

Environmental ranges
  Depth range (m): 0.7625 - 6.35
  Temperature range (°C): 21.311 - 24.554
  Nitrate (umol/L): 0.144 - 0.162
  Salinity (PPS): 34.228 - 34.642
  Oxygen (ml/l): 4.733 - 5.074
  Phosphate (umol/l): 0.352 - 0.429
  Silicate (umol/l): 3.264 - 3.286

Graphical representation

Depth range (m): 0.7625 - 6.35

Temperature range (°C): 21.311 - 24.554

Nitrate (umol/L): 0.144 - 0.162

Salinity (PPS): 34.228 - 34.642

Oxygen (ml/l): 4.733 - 5.074

Phosphate (umol/l): 0.352 - 0.429

Silicate (umol/l): 3.264 - 3.286
 
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: Reef (rock &/or coral), Reef only, Rocks, Reef associated (reef + edges-water column & soft bottom)

FishBase Habitat: Demersal
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Trophic Strategy

Occurs in rocky areas (Ref. 37955). Feeds mainly on barnacles and small crustaceans (Ref. 37955).
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Feeding

Feeding Group: Carnivore

Diet: benthic microalgae, mobile benthic worms, mobile benthic crustacea (shrimps/crabs), mobile benthic gastropods/bivalves, zooplankton
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Life History and Behavior

Reproduction

Egg Type: Benthic, Pelagic larva
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
LC
Least Concern

Red List Criteria

Version
3.1

Year Assessed
2010

Assessor/s
Hastings, P. & Dominici-Arosemena, A.

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

Contributor/s

Justification
This species is relatively widespread in the Eastern Central Pacific. There are no known 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

Population
There is no information available on the population status of this species.

Population Trend
Unknown
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Threats

Major Threats
There are no known major threats known for this species.
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Least Concern (LC)
  • IUCN 2006 2006 IUCN red list of threatened species. www.iucnredlist.org. Downloaded July 2006.
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Management

Conservation Actions

Conservation Actions
This species is present in several Marine Protected Areas, including the Islas Marias Biosphere Reserve (WDPA 2006).
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