Classification / Names
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Anguilliformes (Eels and morays) >
Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysommina: Greek, dys, dyo = two + Greek, omma = eye; orientalis: Name from Latin 'orientalis' meaning 'of the east', referring to the type locality in the Far East off Taiwan and Japan.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री बेनथोपिलाजिक; गहराई सीमा 120 - 400 m (Ref. 129611). Subtropical
वितरण
देश | ऐफ ऐ ओ क्षेत्र | Ecosystems | संयोग | Point map | भूमिका | Faunafri
Western Pacific: Taiwan, Japan and Vietnam.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 62.0 cm TL पुल्लिंग / अलिंग; (Ref. 129611)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
जानवरों की रीड़ का जोड़: 137 - 141. This species is distinguished by the following set of characters: predorsal vertebrae 11-12, total vertebrae 137-141, eye diameter less than 10% head length; vomerine dentition is reduced to 3 large compound teeth set in papillose pads with a fourth small tooth more posteriorly, maxillary and mandibular teeth numerous but small (Ref. 129611). Compared to specimens collected from
Taiwan and Japan, the only Vietnamese specimen has a slightly larger pre-anal length, 30.3% TL (vs. 27.0%-29.8% TL) and a slightly shorter tail 69.7% TL (vs. 70.2%-73.0% TL); specimen has an adnasal pore, whereas absent in the Taiwanese specimen (Ref. 131161).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | Fecundity | लार्वा
Tighe, K.A., H.-C. Ho and K. Hatooka, 2018. A new species of the genus Dysommina (Teleostei: Anguilliformes: Synaphobranchidae: Ilyophinae) from the Western Pacific. Zootaxa 4454(1):43-51. (Ref. 129611)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
मात्स्यिकी: कोई रुचि बग़ैर
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = No PD50 data [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): 4.0 ±0.4 se; based on size and trophs of closest relatives
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (45 of 100).
