Thorogobius alvheimi, Alvheim’s goby

Thorogobius alvheimi Sauberer, Iwamoto & Ahnelt, 2018

Alvheim’s goby
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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.

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Gobiiformes (Gobies) 鱸形目 (Gobies) > Gobiidae (Gobies) 鰕虎魚科 (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 生態學

; 海洋; 深度上下限 74 - 208 m (Ref. 118185).   

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

Eastern Atlantic: Angola and Ghana.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 10.2 cm SL 雄魚/尚未辨別雌雄; (Ref. 118185); 7.2 cm SL (female)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 7; 背的軟條 (總數): 11; 臀棘 1; 臀鰭軟條: 10; 脊椎骨: 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).

生物學特性     字彙 (例如 epibenthic)

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

Life cycle and mating behavior 成熟度 | 繁殖 | 產卵場 | | 孕卵數 | 仔魚


主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

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 瀕危狀態 (Ref. 123251)

  未評估 

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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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).
營養階層 (Ref. 69278):  3.4   ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
瀕危性 (Ref. 59153):  Low vulnerability (23 of 100) .