Elasmobranchii (sharks and rays) > Squaliformes
(Sleeper and dogfish sharks) > Etmopteridae
Etymology: Aculeola: Latin aculeus = sting of an insect, 1828 (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
Marine; demersal; depth range 110 - 560 m (Ref. ), usually - m (Ref. ). Deep-water; 0°C - ; 6°S - 37°S
Southeast Pacific: Peru to central Chile.
Length at first maturity / Size / Weight / Age
Maturity: Lm ?, range 52 - 54 cm
Max length : 60.0 cm TL male/unsexed; (Ref. 247); 60.0 cm TL (female)
Found on the continental shelf and upper slope. Feeding habits unknown but probably subsists on small fishes and invertebrates. Ovoviviparous, number of young at least three. Size at birth probably about 13 or 14 cm (size of full-term fetuses).
Ovoviviparous, number of young at least 3. Size at birth probably about 13 or 14 cm (size of full-term fetuses) (Ref. 247). Distinct pairing with embrace (Ref. 205).
Compagno, L.J.V., 1984. FAO Species Catalogue. Vol. 4. Sharks of the world. An annotated and illustrated catalogue of shark species known to date. Part 1 - Hexanchiformes to Lamniformes. FAO Fish. Synop. 125(4/1):1-249. Rome, FAO. (Ref. 247)
IUCN Red List Status (Ref. 124695)
Threat to humans
Fisheries: of no interest
ReferencesAquacultureAquaculture profileStrainsGeneticsAllele frequenciesHeritabilityDiseasesProcessingNutrientsMass conversion
Estimates based on models
Preferred temperature (Ref. 115969
): 9.9 - 13.3, mean 12 °C (based on 14 cells).
Phylogenetic diversity index (Ref. 82805
= 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00380 (0.00181 - 0.00801), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245
Trophic level (Ref. 69278
): 3.9 ±0.5 se; based on diet studies.
Resilience (Ref. 120179
): Very Low, minimum population doubling time more than 14 years (Fec=3).
Vulnerability (Ref. 59153
): Moderate to high vulnerability (47 of 100) .
Nutrients (Ref. 124155
): Calcium = 11.1 [2.2, 39.6] mg/100g ; Iron = 0.195 [0.046, 0.534] mg/100g ; Protein = 18.5 [16.5, 20.5] % ; Omega3 = 0.303 [0.109, 0.969] g/100g ; Selenium = 12.4 [3.3, 39.0] μg/100g ; VitaminA = 28.5 [5.9, 129.4] μg/100g ; Zinc = 0.376 [0.178, 0.937] mg/100g (wet weight);