Eviota shimadai, Shimadai's dwarfgoby

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Eviota shimadai Greenfield & Randall 2010

Shimadai's dwarfgoby
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Eviota shimadai   AquaMaps   Data sources: GBIF OBIS
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Image of Eviota shimadai (Shimadai\
Eviota shimadai
Female picture by Randall, J.E.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> Gobiiformes (Gobies) > Gobiidae (Gobies) > Gobiinae
Etymology: Eviota: No etymology given, suggested by Christopher Scharpt: from Latin 'eu' for 'true' and 'iota' for anything very small, in combination 'truly very small' referring to it as being the smallest vertebrate at the time it has benn described by Jenkins (thus, making the suggestion by Scharpt plausible.;  shimadai: Named for Kazuhiko Shimada; noun in genitive case.  More on authors: Greenfield & Randall.

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

; marien rifbewoner; diepteverspreiding 0 - 29 m (Ref. 83982).   Subtropical

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Western Pacific: Japan, Palau and Indonesia.

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 1.6 cm SL mannelijk/geslacht niet bekend; (Ref. 83982); 1.5 cm SL (female)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 7; Dorsale zachte stralen (totaal): 8-9; Anale stekels 1; Anale zachte stralen: 7 - 8. This species is distinguished from its congeners by the following set of characters: dorsal/anal fin-ray formula usually 8/8, sometimes 8/7 or 9/8; pectoral fin rays 16-17 (usually 16), all unbranched; cephalic sensory-pore system pattern IV (lacking pores PITO and IT, AITO enlarged, engulfing the PITO); fifth segmented pelvic-fin ray variable, absent to 18% of fourth ray; non-fimbriate genital papilla; filamentous first dorsal fin (second spine 67.2% SL in holotype); branches on fourth pelvic-fin ray 2-3, 2-3 segments between branches; body with no distinct large dark marks; side of body with scattered internal melanophores, under pectoral fin and on side of head; presence of silver bar across central part of pectoral-fin base when alive (Ref. 83982); characterized further by semi translucent body with irregular, internal reddish midlateral stripe; presence of rows of small reddish spots along dorsal midline; usually with several narrow reddish bars above base of anal fin; longitudinal scale series 23-24; sctenoid scales, absent on head, nape and base of pectoral fin; depth of body 4.3-5.0 in SL (Ref. 90102).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Inhabits sheltered reefs in 3-20 (Ref 90102).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

Greenfield, D.W. and J.E. Randall, 2010. Four new gobiid fishes of the genus Eviota from the Western Pacific, with clarification of Evoita guttata and Evoita albolineata (Teleostei: Goblidae). Proc. Calif Acad. Sci. 61(3):269-289. (Ref. 83982)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Niet bedreigd (LC) ; Date assessed: 09 March 2015

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 25.1 - 29.3, mean 28.7 °C (based on 973 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00871 (0.00415 - 0.01826), b=3.07 (2.90 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.0   ±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.).
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .