Thorogobius alvheimi, Alvheim’s goby

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Thorogobius alvheimi Sauberer, Iwamoto & Ahnelt, 2018

Alvheim’s goby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Thorogobius alvheimi   AquaMaps   Data sources: GBIF OBIS
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Image of Thorogobius alvheimi (Alvheim’s goby)
Thorogobius alvheimi
Female picture by Sauberer, M.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Thorogobius: Greek, thoros = semen + Latin, gobius = gudgeon (Ref. 45335);  alvheimi: Named for Oddgeir Alvheim of the Institute of Marine Research, Bergen, Norway.

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

; seewasser; tiefenbereich 74 - 208 m (Ref. 118185).   Deep-water

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Eastern Atlantic: Angola and Ghana.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm SL Männchen/unbestimmt; (Ref. 118185); 7.2 cm SL (female)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 7; Rückenflossenweichstrahlen (insgesamt): 11; Afterflossenstacheln 1; Afterflossenweichstrahlen: 10; Wirbelzahl: 28. This species is distinguished from its congeners by the following characters: D1 VI (second and third distinctly elongated), D2 I,11; pectoral fin rays 20-21; complete pelvic disc with short with well-developed anterior membrane (frenum), lateral lobes pointed; nape and predorsal area naked; no scales on the opercle; scales in longitudinal series 27-31; supratemporal rows tr and trp developed and extending transversally between pores H and K; longitudinal row g is short, not passing row m posteriorly and distinctly distant from row h; long infraorbital row 6, ventrally extending to lower margin of preopercle, its ventral section 6i originating anterior to its dorsal section 6s; posterior lateral row h reaching anteriorly above posterior third of opercle; body depth 16.6-20.4% at anal-fin origin in SL; head width 42.9-53.8% in head length; upper jaw long 42.6-45.7% in head length; minimum height of caudal peduncle 34.8-50.2% in caudal peduncle length; large eyes 22.4-31.3% in head length; short caudal fin 27.1-32.3% in SL; body is uniformly pale fawn and brown with margin of scale pockets dark brown pigmented, yielding a reticulated pattern; presence of pale spots on nape and predorsal area; caudal fin is uniformly dusky greyish (Ref. 118185).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Specimens were dredged on the outer edge of the continental shelf and found on soft bottom (Ref. 118185).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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Sauberer, M., T. Iwamoto and H. Ahnelt, 2018. Two new deep-water species of the genus Thorogobius (Teleostei: Gobiidae) from the upper continental slope of the Eastern Central Atlantic. Zootaxa 4429(2):357-371. (Ref. 118185)

IUCN Rote Liste Status (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5156   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00261 - 0.01268), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (23 of 100) .