Eviota brahmi, Brahm’s dwarfgoby

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Eviota brahmi Greenfield & Tornabene, 2014

Brahm’s dwarfgoby
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Eviota brahmi   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | 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.;  brahmi: Named for Brahm Kai Erdmann, who recognized that the species had been incorrectly identified as E. nigriventris in literature; a noun in the Latin genitive case.

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

; marina revassocierade; djupintervall 0 - 20 m (Ref. 95677).   Tropical

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Western Pacific: Papua New Guinea.

Size / Vikt / Age

Maturity: Lm ?  range ? - ? cm
Max length : 1.7 cm SL hane/ej könsbestämd; (Ref. 95677); 1.5 cm SL (female)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 7; Mjukstrålar i ryggfenan (totalt): 9-11; Taggstrålar i analfenan 1; Mjukstrålar i analfenan: 8 - 10. This species is distinguished from its congeners by the following characters: entire lower body with a red stripe, from the eye back to caudal-fin base where it grades into black ending in a dorsally asymmetrical spot that angles sharply towards the ventral portion of the caudal fin; pectoral-fin base with line of small black dots extending down to its base, the upper half are larger and more intense, the ones on the lower half smaller, less intense, and expanded across lower part of the base; cephalic sensory pore system lacking the PITO and IT pores and the AITO pore is enlarged; usually 10/9 dorsal/anal fin-ray formula; simple pectoral-fin rays; in both sexes the spinous dorsal-fin elongate or filamentous; genital papilla nonfimbriate. In life, the ventral red stripe is bordered dorsally by a bright white stripe that runs from the top of the head back to the caudal fin where it curves down following the angled black spot; the eye without a narrow white line on the iris above the pupil; a wide white line extends up the interorbital area, the width of the line extending from eye to eye (Ref. 95677).

Biologi     Ordlista (t.ex. epibenthic)

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

Main reference Upload your references | referenser | Koordinator | Medarbetare

Greenfield, D.W. and L. Tornabene, 2014. Eviota brahmi n. sp. From Papua New Guinea, with redescription of Eviota nigriventris (Teleostei: Gobiidae). Zootaxa 3793(1):133-146. (Ref. 95677)

IUCN Red List Status (Ref. 123251)

  Data deficient (DD) ; Date assessed: 29 June 2018

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 28.7 - 29.4, mean 29 °C (based on 194 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [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).
Trofisk nivå (Ref. 69278):  3.0   ±0.3 se; based on size and trophs of closest relatives
Resiliens (Ref. 120179):  Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .