Stathmonotus sinuscalifornici — Details

California Worm Blenny learn more about names for this taxon

Overview

Comprehensive Description

Description

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Common names: worm-blenny (English), trambollo-gusano (Espanol), tubícola (Espanol)
 
Stathmonotus sinuscalifornici (Chabanaud, 1942)


Gulf worm-blenny,     Cortez worm-blenny,     California worm-blenny


Elongate, worm-like body; short, bluntly pointed head with large oblique mouth;  head swollen and mouth longer in males; rear edge of preopercle covered with skin; no cirrus on front nostril, flaplike cirrus over eye, no cirri on nape; dorsal fin XXXX-XXXXVI, 0; anal rays II, 22-26; pectoral rays 7-9.


Color highly variable, white, green, yellow, brown, or black, usually with series of white bars on dorsal fin; green or yellow variety often with one or more longitudinal rows of black spots on side.


Maximum size, 6.5 cm.

Habitat: occurs in weedy areas along rocky shores.

Depth: 0-5 m.

Southern Baja to the central Gulf of California.

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Biology

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Inhabits weedy areas along rocky shores. Feeds on zooplankton.
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Distribution

Range Description

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This species is endemic to the Eastern Tropical Pacific, and is found from southern Baja California to the central Gulf of California, Mexico.
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Depth

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Depth Range (m): 0 (S) - 5 (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, Cortez province endemic, Continent, Continent only

Residency: Resident

Climate Zone: Northern Subtropical (Cortez Province + Sinaloan Gap)

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Eastern Central Pacific: Gulf of California.
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Physical Description

Morphology

Size

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Length max (cm): 6.5 (S)
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Size

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Maximum size: 65 mm NG
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Max. size

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6.5 cm TL (male/unsexed; (Ref. 11482))
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Ecology

Habitat

Habitat and Ecology

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Habitat and Ecology
This demersal species inhabits rocky coasts and tidepools with abundant macroalgae in shallow waters to 5 m.

Systems
  • Marine
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Depth range based on 8 specimens in 1 taxon.
Water temperature and chemistry ranges based on 3 samples.

Environmental ranges
  Depth range (m): 2 - 31.5
  Temperature range (°C): 19.490 - 24.258
  Nitrate (umol/L): 0.515 - 8.632
  Salinity (PPS): 34.695 - 35.261
  Oxygen (ml/l): 4.242 - 4.879
  Phosphate (umol/l): 0.457 - 1.385
  Silicate (umol/l): 3.677 - 17.402

Graphical representation

Depth range (m): 2 - 31.5

Temperature range (°C): 19.490 - 24.258

Nitrate (umol/L): 0.515 - 8.632

Salinity (PPS): 34.695 - 35.261

Oxygen (ml/l): 4.242 - 4.879

Phosphate (umol/l): 0.457 - 1.385

Silicate (umol/l): 3.677 - 17.402
 
Note: this information has not been validated. Check this *note*. Your feedback is most welcome.
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Habitat

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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, Macroalgae, Reef associated (reef + edges-water column & soft bottom)

FishBase Habitat: Demersal
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Environment

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demersal; marine
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Trophic Strategy

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Inhabits weedy areas along rocky shores. Feeds on zooplankton.
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Feeding

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Feeding Group: Carnivore

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

Reproduction

Reproduction

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Egg Type: Benthic, 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
Dominici-Arosemena, A., Espinosa, H. & Hastings, P.

Reviewer/s
Collen, B., Richman, N., Beresford, A., Chenery, A. & Ram, M.

Contributor/s
De Silva, R., Milligan, H., Lutz, M., Batchelor, A., Jopling, B., Kemp, K., Lewis, S., Lintott, P., Sears, J., Wilson, P., Smith, J. & Livingston, F.

Justification

This species is widespread in the Gulf of California and prefers shallow-water habitat abundant with macro-algae. No major threats to this species are currently known. It is listed as Least Concern.

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Conservation status

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IUCN Red List: Not evaluated / Listed

CITES: Not listed
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Population

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Population
There is no population information available for this species.

Population Trend
Unknown
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Threats

Threats

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Major Threats
There are no known major threats impacting this species and no reported significant population declines.
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Least Concern (LC)
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Management

Conservation Actions

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Conservation Actions
This species is recorded from several marine protected areas (WDPA 2006), including Bahia de Loreto National Park, Parque Nacional Bahia de Loreto, and Cabo Pulmo National Park.
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Wikipedia

Stathmonotus sinuscalifornici

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Stathmonotus sinuscalifornici, known commonly as the California worm blenny in the United Kingdom, and the Gulf worm blenny in Mexico,[2] is a species of chaenopsid blenny in the genus Stathmonotus.[3] It is known from the Gulf of California, in the eastern central Pacific ocean.[3] It was named by P. Chabanaud in 1942,[4] and can reach a maximum length of 6.5 centimetres.[3] Blennies in this species feed primarily off of zooplankton.[5]

References

  1. ^ Synonyms of Stathmonotus sinuscalifornici at www.fishbase.org.
  2. ^ Common names for Stathmonotus sinuscalifornici at www.fishbase.org.
  3. ^ a b c Stathmonotus sinuscalifornici at www.fishbase.org.
  4. ^ Chabanaud, P., 1942 [ref. 798] Contribution à la morphologie de Téléostéens appartenant à diverses familles de l'ordre des Blennoidea. Description d'une espèce et d'un genre inédits. Bulletin de la Société Zoologique de France v. 67: 111-120.
  5. ^ Food items for Stathmonotus sinuscalifornici at www.fishbase.org.


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