Micrenophrys lilljeborgii, Norway bullhead

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Micrenophrys lilljeborgii (Collett, 1875)

Norway bullhead
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Micrenophrys lilljeborgii   AquaMaps   Data sources: GBIF OBIS
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Image of Micrenophrys lilljeborgii (Norway bullhead)
Micrenophrys lilljeborgii
Picture by Rekdal, E.

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Micrenophrys: Greek, mikros = small + Greek, ophrys = eye bow.
Eponymy: Wilhelm Lilljeborg (1816–1908) was a Swedish zoologist who became Professor of Zoology at Uppsala University and a member of the Swedish Academy of Science (1861). [...] (Ref. 128868), visit book page.

Environment: milieu / climate zone / djupintervall / distribution range Ekologi

marina; brackvatten bottenlevande; djupintervall 0 - 100 m (Ref. 35388). Temperate; 66°N - 48°N, 25°W - 13°E

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Prickkarta | Utplanteringar | Faunafri

Northeast Atlantic: Norwegian coasts to Namdahl to off Denmark, around British Isles and across to Iceland. Pelagic larvae spreading to western Murman and Icelandic waters.

Size / Vikt / Age

Könsmognad: Lm ?  range ? - ? cm
Max length : 7.4 cm SL hane/ej könsbestämd; (Ref. 4698); common length : 6.0 cm SL hane/ej könsbestämd; (Ref. 4698)

Short description Bestämningsnycklar | Morfologi | Morfometri

Differs from Taurulus bubalis by the row of bony knobs above the rough lateral line and by the 2 soft rays in the anal fin (Ref. 35388).

Biologi     Ordlista (t.ex. epibenthic)

Found on hard bottoms (gravel or shells) or among algae with temperatures ranging below 0°C. Feeds on small crustaceans (amphipods, decapods) and fishes. Spawns in early spring. Eggs demersal, in clumps on bottom, diameter 2 mm; larvae pelagic (Ref. 4698).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Fedorov, V.V., 1986. Cottidae. p. 1243-1260. In P.J.P. Whitehead, M.-L. Bauchot, J.-C. Hureau, J. Nielsen and E. Tortonese (eds.) Fishes of the North-eastern Atlantic and the Mediterranean. UNESCO, Paris. Vol. 3. (Ref. 4698)

IUCN Red List Status (Ref. 130435: Version 2025-1)

  Least Concern (LC) ; Date assessed: 15 October 2013

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

Ytterligare information

Trophic ecology
Food items (preys)
Födosammansättning
Födointag
Food rations
Predatorer
Ekologi
Ekologi
Home ranges
Population dynamics
Tillväxtparametrar
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Rekrytering
Abundans
Life cycle
Reproduktion
Könsmognad
Maturity/Gills rel.
Fecundity
Lek
Spawning aggregations
Ägg
Egg development
Larver
Larvdynamik
Utbredning
Länder
FAO områden
Ekosystem
Förekomster
Utplanteringar
BRUVS - Videos
Anatomy
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Physiology
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Nutrients
Syreförbrukning
Swimming type
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Visual pigments
Fish sound
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Toxicity (LC50s)
Genetik
Genome
Genetik
Heterozygosity
Ärftlighet
Human related
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Avelslinjer
Ciguatera cases
Stamps, coins, misc.
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Taxonomy
Populärnamn
synonymer
Morfologi
Morfometri
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referenser
referenser

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Internet-källor

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: Släkte, Arter | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | Nationella databaser | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, sök | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 7.7 - 12, mean 10.2 °C (based on 488 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00281 - 0.01234), b=3.15 (2.97 - 3.33), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  3.8   ±0.62 se; based on food items.
Resiliens (Ref. 120179):  Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100). 🛈
Nutrients (Ref. 124155):  Calcium = 145 [55, 366] mg/100g; Iron = 0.442 [0.203, 1.010] mg/100g; Protein = 17.5 [15.3, 19.7] %; Omega3 = 0.671 [0.275, 1.722] g/100g; Selenium = 5.65 [1.24, 18.26] μg/100g; VitaminA = 43.2 [13.1, 138.2] μg/100g; Zinc = 1.09 [0.67, 2.01] mg/100g (wet weight);