Classification / Names
Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Teleostei (teleosts) >
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; bella: Name 'bella' from the Latin word 'bellus', meaning 'beautiful', in reference to the iridescent live colors. A noun in apposition.
Environment: milieu / climate zone / depth range / distribution range
Ecology
Marine; reef-associated; depth range 4 - 15 m (Ref. 138098). Tropical
Western Central Pacific: Papua New Guinea.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 1.9 cm SL male/unsexed; (Ref. 138098)
Short description
Identification keys | Morphology | Morphometrics
Dorsal spines (total): 7; Dorsal soft rays (total): 9; Anal spines: 1; Anal soft rays: 9. This species is distinguished from its congeners by the following set of characters: a combination of a cephalic sensory-canal pore system pattern IV (lacking PITO and IT pores and AITO pore enlarged); a dorsal/anal fin-ray formula 9/9; pectoral-fin rays unbranched; fifth pelvic-fin ray elongate; ventral half of body with a red to dusky red stripe in life (grey in preservative), extending from behind head to caudal-fin base ending in a symmetrical black spot; ventral stripe bordered dorsally by a yellow-to-orange stripe in live coloration; melanophores broadly scattered on upper half of pectoral-fin base; eye with a few small, white spots surrounding pupil and small white spots covering an orange dorsal sclera; and male urogenital papilla narrow, elongate with two short lateral points at end and spotted with black dots (Ref. 138098).
Body shape (shape guide): elongated; Cross section: oval.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Greenfield, D., M. Erdmann and N. Ichida, 2025. Eviota bella, a new dwarfgoby from Milne Bay, Papua New Guinea (Teleostei: Gobiidae). J. Ocean Sci. Found. 43:67-75. (Ref. 138098)
IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))
Threat to humans
Harmless
Human uses
Fisheries: of no interest
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00281 - 0.01706), b=3.09 (2.92 - 3.26), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.0 ±0.3 se; based on size and trophs of closest relatives
Resilience (Ref.
120179): High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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