Classificatie / Namen
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Scombriformes (Mackerels) >
Chiasmodontidae (Snaketooth fishes)
Etymology: Chiasmodon: Name from the Greek 'chiasmos' which means diagonally arranged, and 'odous' for tooth or teeth; harteli: Named for Karsten Hartel (MCZ), in recognition of his lifetime contribution to
ichthyology, in particular to the comprehension of deep-sea fish fauna.
Eponymy: Karsten Edward Hartel is an ichthyologist who joined (1975) the Museum of Comparative Zoology, Harvard University. [...] (Ref. 128868), visit book page.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien pelagic-oceanic; diepte 495 - 1417 m (Ref. 82429). Subtropical; 70°N - 30°N, 40°W - 11°W
Northeastern and western Atlantic.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 19.8 cm SL mannelijk / geslacht onbekend; (Ref. 82429)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
This species is distinguished from its congeners by having 47-48 total vertebrae (vs. 42-46) and with 6 supraorbital pores (vs. 7 or 8). It further differs from C. braueri by teeth on the second ceratobranchial absent (vs. present); from C. microcephalus by 3-18 teeth on second basibranchial 18, rarely 2, often present on second hypobranchial (vs. usually no teeth on second basibranchial, rarely 1-3); from C. niger having by 89-95 lateral-line pores (vs. 86-90); from C. pluriradiatus and C. asper by having 13-14 pectoral-fin rays (vs. 15-16); no tiny dermal spinules on body in specimens larger than 48.7 mm (vs. spinules present), one fang on premaxillary head (vs. 2), 7 supraorbital pores (vs. 8 in C. pluriradiatus, 9 in C. asper); from C. subniger by having 13-16 (usually 14) infraorbital pores, infraorbital 1 pores seven to eight (vs. 11-13 infraorbital pores, infraorbital 1 pores five to six), snout elongate and pointed, 23.0-26.6% HL (vs. short and blunt, 21.4-23.9% HL), upper jaw 74.3-84.2% HL (vs. 63.9-72.7% HL); lower jaw 80.8-89.9% HL (vs. 69.0-76.7% HL), and 90-95 lateral-line pores (vs. 75-87) (Ref. 82429).
Body shape (shape guide): fusiform / normal.
Found in the mesopelagic to bathypelagic zones (Ref. 82429).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Melo, M.R.S., 2009. Revision of the genus Chiasmodon (Acanthomorpha: Chiasmodontidae), with description of two new species. Copeia 2009(3):583-608. (Ref. 82429)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01072 (0.00404 - 0.02840), b=3.03 (2.80 - 3.26), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.7 ±0.2 se; based on size and trophs of closest relatives |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (14 of 100). 🛈 |