United States (contiguous states) country information

Common names: Twoline prickleback, Twoline prickleback
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Ranges from the Farallon Islands, California southward (Ref. 48788).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/us.html
National Fisheries Authority: http://www.nmfs.gov
Occurrences: Occurrences Point map
Main Ref: Follett, W.I. and M.E. Anderson, 1990
National Database:

Common names from other countries

Abrojo dos rayas, ... more

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Zoarcoidei (Eelpouts and pricklebacks) > Stichaeidae (Pricklebacks) > Xiphisterinae
Etymology: laurae: Named in honor of Laura Clark Hubbs (1893-1988), ichthyologist and mathematician (Ref. 48788).

Environment: milieu / climate zone / depth range / distribution range Ecologie

marien demersaal; diepte 0 - 46 m (Ref. 48788). Subtropical

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Eastern Central Pacific: Farallon Islands, California to Punta Banda, Baja California Norte, Mexico.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 9.7 cm SL mannelijk / geslacht onbekend; (Ref. 48788)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 38 - 43; Dorsale zachte stralen (totaal) : 14 - 18; Anale stekels: 2; Anale zachte stralen: 42 - 44; Wervels: 60 - 62. Pelvic fins present, each of a minute spine; first dorsal spine associated with first pterygiophore; first anal pterygiophore noticeably more massive than second; ventrolateral lateral line not connected; meridioventral lateral line absent (Ref. 48788). Caudal fin rounded.

Subtidal species found in rocky areas among benthic encrusting communities in algal cover or kelp holdfasts (Ref. 48788). Minimum depth from Ref. 58018.

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Follett, W.I. and M.E. Anderson, 1990. Esselenia, a new genus of pricklebacks (Teleostei: Stichaeidae), with two new species from California and Baja California Norte. Copeia 1990(1):147-163. (Ref. 48788)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Preferred temperature (Ref. 115969): 13.9 - 22.3, mean 18.6 (based on 14 cells).

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.7 ±0.2 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Esselenichthys laurae (Follett & Anderson, 1990)