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Myopsaron nelsoni Shibukawa, 2010

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Myopsaron nelsoni   AquaMaps   Data sources: GBIF OBIS
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Myopsaron nelsoni
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Creediidae (Sandburrowers)
Etymology: Myopsaron: Name from the Greek words 'mys' meaning mouse and 'opsaron' for a little fish, referring to its unique globular-shaped fleshy extension at tip of upper jaw, resembling the nose of mouse.;  nelsoni: Named for J. S. Nelson, for his great contribution to our knowledge about taxonomy and systematics of the creediine fishes.

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

Marine; pelagic-neritic; depth range 51 - 99 m (Ref. 84004).   Subtropical

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

Northwest Pacific: Ogasawara Islands, Japan.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 3.6 cm SL male/unsexed; (Ref. 84004)

Short description Morphology | Morphometrics

Dorsal soft rays (total): 14-16; Anal soft rays: 16 - 18; Vertebrae: 43 - 45. This species is unique in having the following characters: a globular fleshy extension at tip of upper jaw; lateral line divided into 2 parts, with 3 (rarely 2 or 4) grooved scales in the anterior series and 33-35 pored scales with distinct posterior lobe in the posterior series; higher counts of precaudal vertebrae than caudal vertebrae (24-26 + 18-21 = 43-45); edentate premaxilla; D 14-16; A 16-18; dorsal- and anal-fin rays 30-34, both fins restricted to posterior half of body; anal-fin origin below first to third dorsal-fin rays; pelvic-fin I,3-4 (almost always I,3); fourth pectoral- and first pelvic-fin rays greatly elongated and filamentous in male; all dorsal-, anal-, pectoral- and pelvic-fin segmented rays unbranched; caudal-fin rays 9 branched; anal-fin pterygiophores 1 (rarely two) anterior to first haemal spine; vomer and palatine teeth absent, 1 to 3 minute conical teeth on middle of dentary; epurals 2; both anterior and posterior nares pore-like; suborbital skin fold discontinuous at midway; infraorbital canal shortly interrupted below eye; mandibular canal not joined with preopercular canal (Ref. 84004).

Biology     Glossary (e.g. epibenthic)

Collected by sledge nets from flat sandy bottoms off its type locality (Ref. 84004).

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

Main reference Upload your references | References | Coordinator | Collaborators

Shibukawa, K., 2010. Myopsaron nelsoni, a new genus and species of sandburrowers (Perciformes: Trichonotidae: Creediinae) from the Ogasawara Islands, Japan. Bull. Natl. Mus. Nat. Sci., Ser. A, (Suppl. 4):49-66. (Ref. 84004)

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 |

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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 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00102 (0.00046 - 0.00225), b=3.06 (2.88 - 3.24), 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) .