Trimma kalum, Beautiful pygmygoby

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Trimma kalum Winterbottom, 2020

Beautiful pygmygoby
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Trimma kalum
Male picture by Winterbottom, R.

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

Teleostei > Gobiiformes (Gobies) 鱸形目 (Gobies) > Gobiidae (Gobies) 鰕虎魚科 (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335);  kalum: Name from Greek word “kalos” (καλός), meaning beautiful, referring to the delicate colouration of the new species. It has been informally known as Trimma RW sp 47 or T. DFH sp 23..

Environment: milieu / climate zone / depth range / distribution range 生態學

海洋 礁區魚類; 深度上下限 40 - 73 m (Ref. 122369).

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

Western Pacific: Palau.

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 1.7 cm SL 雄魚/尚未辨別雌雄; (Ref. 122369)

簡短描述 型態特徵 | 形態測量圖

背棘 (總數): 7; 背的軟條 (總數): 10-11; 臀棘 1; 臀鰭軟條: 9 - 10. This species is distinguished by the following set of characters: no scales on cheeks, opercle and nape; second spine of the first dorsal fin elongated, reaching posteriorly to the base of the 2nd-10th ray of the second dorsal fin when adpressed; pectoral-fin rays 17-18 with 12-13 branched rays in the middle of the fin; a single dichotomous branch point in the 5th pelvic-fin ray, its length 51-75% the length of the 4th ray; total gill rakers 17-18; beneath the eye 5 papillae in row c; midline between the base of the first dorsal spine and the posterior interorbital region is a very well developed dermal crest; a U-shaped interorbital trench with no fleshy median ridge; a poorly developed postorbital trench ending between the 4th to 5th papillae in row p (which has 6 papillae in total). Colouration when alive and freshly collected is very similar in appearance to T. sheppardi, body overall yellow with three yellow bars across the cheek, and a double dark spot above the posterior portion of the opercle (Ref. 122369).

生物學特性     字彙 (例如 epibenthic)

Collected with quinaldine in a cave in a steep reef slope (Ref. 122369).

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


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

Winterbottom, R., 2020. A new species of Trimma (Pisces: Gobiidae) from the northern Palauan Islands, western Pacific Ocean. Zootaxa 4808(3):582-588. (Ref. 122369)

IUCN 瀕危狀態 (Ref. 130435)

  資料不足 (DD) ; Date assessed: 07 September 2021

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

對人類具威脅

 





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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = No PD50 data   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01023 (0.00477 - 0.02194), b=3.02 (2.84 - 3.20), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
回復力 (Ref. 120179):  高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).