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Teleostei (teleosts) > Scombriformes (Mackerels) > Chiasmodontidae (Snaketooth fishes)
Etymology: Dysalotus: Greek, dysalotos, -os, -on = very difficult to catch (Ref. 45335).

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

Marine; bathypelagic; oceanodromous (Ref. 51243); depth range 0 - 2100 m (Ref. 58302), usually 1000 - ? m (Ref. 6649). Deep-water; 35°N - 11°S, 75°W - 137°W

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

Atlantic, Indian and Pacific: in tropical and subtropical waters. Known from relatively few, widely scattered localities from the Sargasso Sea to equatorial Pacific at 137°16'W. Eastern Atlantic: Known from four stations within 06°N to 10°S, three of these are within the Gulf of Guinea.

Size / Weight / Age

Maturity: L_m ? range ? - ? cm
Max length : 22.5 cm SL male/unsexed; (Ref. 6944)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 10 - 11; Dorsal soft rays (total): 26 - 28; Anal spines: 1; Anal soft rays: 26 - 28.

Oceanic species. Adults have been taken mostly in depths exceeding 1,000 m.

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

Main reference Upload your references | References | Coordinator : Paxton, John | Collaborators

Johnson, R.K. and M.J. Keene, 1986. Chiasmodontidae. p. 731-734. In M.M. Smith and P.C. Heemstra (eds.) Smiths' sea fishes. Springer-Verlag, Berlin. (Ref. 6649)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Least Concern (LC) ; Date assessed: 14 July 2014

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

Harmless

Human uses

Fisheries: of no interest

FAO - Publication: search | FishSource |

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Internet sources

Estimates based on models

Preferred temperature (Ref. 123201): 2.2 - 4.8, mean 3.2 °C (based on 683 cells).

Phylogenetic diversity index (Ref. 82804): 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): 3.8 ±0.2 se; based on size and trophs of closest relatives

Fishing Vulnerability (Ref. 59153): Low vulnerability (17 of 100).

Dysalotus alcocki MacGilchrist, 1905