Navigobius vittatus, Brunei dartfish

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Navigobius vittatus Allen, Erdmann & Cahyani, 2015

Brunei dartfish
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Navigobius vittatus
Male picture by Erdmann, M.V.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Microdesmidae (Wormfishes) > Ptereleotrinae
Etymology: Navigobius: Name from Latin ' navi' meaning to float or swim, an allusion to the swimming habits of the species.;  vittatus: Name from Latin 'vittatus' for blue stripes on the dorsal fins.

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

Marine; reef-associated; depth range 25 - 31 m (Ref. 105381).   Tropical

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Pacific: Brunei Darussalam.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 2.3 cm SL male/unsexed; (Ref. 105381)

Short description Morphology | Morphometrics

Dorsal spines (total): 7; Dorsal soft rays (total): 113; Anal spines: 1; Anal soft rays: 10 - 12; Vertebrae: 26. This species is distinguished by the following characters: D VI + I,11-13 (rarely 13), the spines of first dorsal fin with protruding filaments; A I,10-12 (rarely 12); pectoral-fin rays 18-19; scales in longitudinal series 52-58; total gill rakers on first arch 15-16; segmented caudal-fin rays 17; branched caudal-fin rays 11; forked caudal fin with filament on upper and lower lobe; no preopercular pores; interorbital pores paired; colour in life semi-translucent grey with yellowish hue; with short yellow stripe on snout and from upper eye to pectoral-fin base; blue stripe from mid-interorbital to first dorsal-fin origin; dorsal fins are translucent with yellowish hue, both dorsal fins have prominent basal and submarginal blue stripes; caudal fin yellowish to yellow-brown with blue upper and lower margins (Ref. 105381).

Biology     Glossary (e.g. epibenthic)

Form loose aggregations of 10-50 individuals, observed hovering 50-100 cm above the substrate on a very gradual but strongly current-swept sand and rubble slope in 28-31 m depth. Collection reef with visibility invariably quite low (5-8 m maximum) and where there was frequently a minor thermocline at the 20-25 m depth range, with the fish exposed to moderately cooler temperatures down to 27°C. When approached too closely, individuals would dive into burrows in the sand, sometimes individually but also multiple individuals entering the same burrow (Ref. 105381).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Randall, John E. | Collaborators

Allen, G.R., M.V. Erdmann and N.K. Dita Cahyani, 2015. Navigobius vittatus, a new species of dartfish (Gobiidae: Ptereleotrinae) from Brunie Darussalam. J. Ocean Sci. Found. 17:12-21. (Ref. 105381)

IUCN Red List Status (Ref. 120744)


CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO(Publication : search) | FishSource |

More information

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm Total Length, based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.1   ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref. 120179):  .
Vulnerability (Ref. 59153):  Low vulnerability (10 of 100) .