Trimma christianeae, Christiane’s pygmygoby

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Trimma christianeae Allen, 2019

Christiane’s pygmygoby
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Image of Trimma christianeae (Christiane’s pygmygoby)
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drawing shows typical species in Gobiidae.

分類 / Names 共通名の | 類義語 | Catalog of Fishes(部類, ) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Trimma: Greek, trimma, -atos = something crushed (Ref. 45335);  christianeae: Named for Christiane Waldrich, who photographed this fish; noun in the genitive case.

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

; 海 関連する礁; 深さの範囲 1 - 4 m (Ref. 119492).   Tropical

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Western Pacific: Papua New Guinea.

サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL オス/雌雄の選別がない; (Ref. 119492)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 7; 背鰭 (合計): 9; 肛門の骨 1; 臀鰭: 8. This species is distinguished by the following combination of characters: D VI + I,9, with the second dorsal-fin spine usually with short filament, when adpressed extending to the base of first to fourth segmented dorsal-fin ray; A I,8; the fifth segmented pelvic-fin ray with sequential branching consisting of three branch points, its length 76.9-87.5% (mean 83.4%) length of fourth ray; the basal membrane of pelvic fin is fully developed; gill rakers on first arch 3-4 + 12-13; opercle scaleless; posterior naris is large and adnate to orbital rim. Colour in life mainly orange to brownish red with diffuse brown scale margins that form a reticulated pattern; indistinct narrow white or gray bars (sometimes branching) along back and dorsalmost part of caudal peduncle; the pectoral-fin base with distinctive orange to reddish-brown medial area with large white spots dorsally and ventrally (Ref. 119492).

生物学     用語集 (例 epibenthic)

Species collected from jetty pilings, log debris, and concrete stairs at the water’s edge, at about 1-4 meters. It seems to have an affinity for sponge-encrusted surfaces, but the general area where it is observed is characterized by extensive silty mud substrata inhabited by a large number of burrowing gobies. It was not previously observed despite nearly 100 hours of scuba-diving because the collection site is immediately adjacent to shore at a busy shipyard where diving is usually banned during daylight hours. Most of the specimens were found on the inner side of a single pillar of the jetty, which was situated in total shade (Ref. 119492).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

Allen, G.R., 2019. Trimma christianeae, a new species of goby (Teleostei: Gobiidae) from Milne Bay Province, Papua New Guinea. J. Ocean Sci. Found. 32:39-46. (Ref. 119492)

IUCNのレッドリストの状況は (Ref. 123251)


CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

人間に対する脅威

  Harmless





Human uses

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = No PD50 data   [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).
回復力 (Ref. 120179):  高い, 15か月以下の倍増期間の最小個体群 (Preliminary K or Fecundity.).
弱み (Ref. 59153):  Low vulnerability (10 of 100) .