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Beryciformes (Sawbellies) >
Berycidae (Alfonsinos)
Etymology: Beryx: Greek, beryx or berys = a name of a fish. Cuvier & Valenciennes (1829:221) precise that the name was used by Gesner from Varinus, but with no indication whatsoever helping identifying any species. After D'Arcy Wentworth Thompson (A glossary of Greek fishes, 1947), the name actually seems to come originally from Hesychius, but perhaps the name was not originally a fish name. Thompson compares it to meryx (ruminant), applied on skaros (Scarus), so it may have been applied on a parrot fish referring to its browsing/grazing behavior described by Aristoteles and followers.
More on author: Lowe.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
marien benthopelagisch; oceanodroom (Ref. 87829); diepte 25 - 1300 m (Ref. 9833), usually 400 - 600 m (Ref. 27121). Subtropical; 45°N - 43°S, 180°W - 180°E
Circumglobal, excluding the northeast Pacific and Mediterranean Sea (Ref. 9833). Western Atlantic: Gulf of Maine to the Gulf of Mexico (Ref. 6743). Eastern Atlantic: off southwestern Europe and the Canary Islands (Ref. 7413) to South Africa (Ref. 4179). Indo-Pacific: East Africa (including Saya de Malha Bank, Ref. 33390) to Japan, Hawaii, Australia, and New Zealand (Ref. 5755). The limited number of records in the western Pacific is doubtless the result of limited fishing effort below 200 m (Ref. 9833). Eastern Pacific: Chile (Ref. 27363).
Lengte bij maturiteit / Grootte / Gewicht / Leeftijd
Maturiteit: Lm 33.2 range ? - ? cm
Max length : 70.0 cm TL mannelijk / geslacht onbekend; (Ref. 30573); common length : 40.0 cm TL mannelijk / geslacht onbekend; (Ref. 30573); max. gepubliceerd gewicht: 4.0 kg (Ref. 43448); max. gerapporteerde leeftijd: 23 Jaren (Ref. 35874)
Dorsale stekels (totaal) : 4; Dorsale zachte stralen (totaal) : 13 - 16; Anale stekels: 4; Anale zachte stralen: 26 - 30. First infraorbital bone with a spine projecting laterally on anterior end. Lateral line extends to caudal fin. A fleshy disk on inner face of exposed area of scale. In young fishes, the 2nd dorsal ray is elongate (Ref. 559). Ref. 27363 notes pectoral fins with one spine and 17 soft rays (Ref. 27363).
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Adults inhabit the outer shelf (180 m) and slope to at least 1,300 m depth, probably moving further from the bottom at night; often found over seamounts (Ref. 9833) and underwater ridges (Ref. 33648). Are considered as one of the straddling stocks in the northwest Pacific (Ref. 87829). They feed mainly on fish, crustaceans and cephalopods (Ref. 33648). Oviparous, spawn in batches (Ref. 30291). Juveniles (Ref. 9072), eggs and larvae are pelagic (Ref. 30291). Marketed frozen and eaten steamed, fried, broiled, boiled, microwaved and baked (Ref. 9988).
Spawning occurs about 10 to 12 times at intervals of about 4 days during the breeding season (Ref. 58433).
Maul, G.E., 1990. Berycidae. p. 626. In J.C. Quero, J.C. Hureau, C. Karrer, A. Post and L. Saldanha (eds.) Check-list of the fishes of the eastern tropical Atlantic (CLOFETA). JNICT, Lisbon; SEI, Paris; and UNESCO, Paris. Vol. 2. (Ref. 7413)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; sportvis: ja
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Schattingen op basis van modellen
Gewenste temperatuur (Ref.
123201): 6.6 - 12.9, mean 9.2 °C (based on 569 cells).
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.6260 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.01150 - 0.01991), b=3.05 (2.97 - 3.13), in cm total length, based on LWR estimates for this species (Ref.
93245).
Trofisch niveau (Ref.
69278): 4.3 ±0.2 se; based on diet studies.
Generation time: 7.5 (6.2 - 8.3) years. Estimated as median ln(3)/K based on 15
growth studies.
Weerstandsvermogen (Ref.
120179): laag, minimale populatieverdubbelingstijd 4,5-14 jaar (K=0.10-0.18; tm=5-7.5; tmax=23; Fec = 270,000).
Prior r = 0.28, 95% CL = 0.19 - 0.42, Based on 1 data-limited stock assessment.
Kwetsbaarheid van de visserij (Ref.
59153): High vulnerability (59 of 100).
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Kwetsbaarheid voor het klimaat (Ref.
125649): High vulnerability (58 of 100).
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Voedingsstoffen (Ref.
124155): Calcium = 30.7 [9.0, 106.2] mg/100g; Iron = 0.746 [0.364, 1.431] mg/100g; Protein = 17.8 [16.7, 19.0] %; Omega3 = 0.472 [0.193, 1.101] g/100g; Selenium = 52.9 [26.3, 104.7] μg/100g; VitaminA = 26.8 [9.1, 86.8] μg/100g; Zinc = 0.553 [0.382, 0.825] mg/100g (wet weight);
