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Dysomma opisthoproctus  Chen & Mok, 1995

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

Actinopterygii (ray-finned fishes) > Anguilliformes (Eels and morays) > Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysomma: Greek, dys, dyo = two + Greek, omma = eye;  opisthoproctus: Species name refers to its posterior positioned anus (Ref. 31561).

Environment / Climate / Range Ecology

Marine; demersal; depth range ? - 200 m (Ref. 31561).   Subtropical, preferred ?

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

Northwest Pacific: known only from Nan-Fong-Ao, northeastern Taiwan.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 42.1 cm TL male/unsexed; (Ref. 31561)

Short description Morphology | Morphometrics

Vertebrae: 120. Body pallid, tan dorsally, whitish below; without scales. Pectoral fin small, about five times eye diameter. Lateral line incomplete, reaching anterior 70.9% of total length (Ref. 31561).

Biology     Glossary (e.g. epibenthic)

Maximum depth reported based on a single specimen (Ref. 31561). Minimum depth from Ref. 58018.

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

Main reference Upload your references | References | Coordinator | Collaborators

Chen, Y.Y. and H.K. Mok, 1995. Dysomma opisthoproctus, a new synaphobranchid eel (Pisces: synaphobranchidae) from the northeastern coast of Taiwan. Copeia 1995(4):927-931. (Ref. 31561)

IUCN Red List Status (Ref. 109396)

  Not Evaluated 

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




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FAO(Publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

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

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5002   [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), based on all LWR estimates for this body shape (Ref. 93245).
Trophic Level (Ref. 69278):  3.7   ±0.5 se; Based on size and trophs of closest relatives
Resilience (Ref. 69278):  .
Vulnerability (Ref. 59153):  Low vulnerability (22 of 100) .