Vanderhorstia rapa

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Vanderhorstia rapa Iwata, Shibukawa & Ohnishi, 2007

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drawing shows typical species in Gobiidae.

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> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: rapa: From the word rapum, meaning turnip or rape (in reference to its minute golden yellow spots on head, body and fins like in rape blossoms) (Ref. 75057).

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

marien demersaal; diepte 25 - 50 m (Ref. 75057). Subtropical

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Northwest Pacific; oof southwest coast of Shikoku and Izu Islands (Japan)

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 7; Dorsale zachte stralen (totaal): 11; Anale stekels 1; Anale zachte stralen: 11. This species differs from other congeners in having the following characters: 11 segmented rays on second dorsal fin; 33-35 longitudinal scale count; no predorsal scales; 11-12 transverse scale count from origin of second dorsal fin backward and downward to anal-fin base; naked pectoral-fin base; third spine of first dorsal fin longest, slightly elongate and filamentous; sensory-papillae row comprising four sensory papillae; a deep trough along posterior margin of eyes (Fig. 5B); first dorsal fin with numerous minute scattered yellow spots and no yellow submarginal lines; four faint brownish (tinged with yellow) mid-lateral blotches (rather than saddle-like bars) on body (Ref. 75057).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Occurs in coarse sandy bottom around rubble area, and found to be symbiotically associated with the alpheid shrimps (Ref. 75057).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Iwata, A., K. Shibukawa and N. Ohnishi, 2007. Three new species of the shrimp-associated Goby genus Vanderhorsitia (Perciformes:Gobiidae: Gobiinae) from Japan, with re-descriptions of two related congeners. Bull. Natl. Mus. Nat. Sci. Ser. A, Suppl. 1:185-205. (Ref. 75057)

Status op de Rode Lijst van het IUCN (Ref. 130435)


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00295 - 0.02818), b=2.98 (2.72 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.2   ±0.3 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).