Actinopterygii (ray-finned fishes) >
Anguilliformes (Eels and morays) >
Synaphobranchidae (Cutthroat eels) > Ilyophinae
Etymology: Dysomma: Greek, dys, dyo = two + Greek, omma = eye; longirostrum: Specific name refers to its long snout.
Environment / Climate / Range
Ecology
Marine; demersal; depth range 100 - 150 m (Ref. 39632). Temperate, preferred ?
Distribution
Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Northwest Pacific: Taiwan.
Size / Weight / Age
Maturity: Lm ?  range ? - ? cm
Max length : 19.6 cm TL male/unsexed; (Ref. 39632)
Short description
Morphology | Morphometrics
Vertebrae: 130. Body without scales. Long snout, 4.6 of TL. Long, strong, slender jaws; upper jaw length 8.2% of TL; upper jaw longer than lower one. Ventrolateral gill slits, below pectoral fin base. Anus far forward, one gape length behind the tip of pectoral fine. Lateral line nearly complete, length 95.6% of TL, with a tubelike groove connecting every other pair of lateral line pores. Number of cephalic lateralis pores: infraorbital 8; supraorbital 5; preoperculomandibular 9.
Life cycle and mating behavior
Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Chen, Y.-Y. and H.-K. Mok, 2001. A new synaphobranchid eel, Dysomma longirostrum (Anguilliformes: Synaphobranchidae), from the northeastern coast of Taiwan. Zool. Stud. 40(2):79-83. (Ref. 39632)
IUCN Red List Status (Ref. 115185)
CITES (Ref. 94142)
Not Evaluated
Threat to humans
Harmless
Human uses
More information
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Common namesSynonymsMetabolismPredatorsEcotoxicologyReproductionMaturitySpawningFecundityEggsEgg development
Age/SizeGrowthLength-weightLength-lengthLength-frequenciesMorphometricsMorphologyLarvaeLarval dynamicsRecruitmentAbundance
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Estimates of some properties based on models
Phylogenetic diversity index (Ref.
82805): PD
50 = 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), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trophic Level (Ref.
69278): 3.6 ±0.4 se; Based on size and trophs of closest relatives
Resilience (Ref.
69278): .
Vulnerability (Ref.
59153): Low vulnerability (10 of 100) .