Malta country information

Common names: Imsella imperjali, Pastardella, Pixxispad
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 43.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mt.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Lanfranco, G.G., 1996
National Database:

Common names from other countries

Marlin de la Méditerranée, Marlín del Mediterráneo, Mediterranean shortbill spearfish, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Carangiformes (Jacks) > Istiophoridae (Billfishes)
Etymology: Tetrapturus: Greek, tetra = four + Greek, pteron, fin, wing (Ref. 45335).
More on author: Rafinesque.

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

marin; océanodrome (Ref. 51243); profondeur 0 - 200 m (Ref. 43). Deep-water; 46°N - 30°N, 6°W - 36°E (Ref. 43)

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Mediterranean Sea: considerably abundant around Italy. No confirmed report from the Black Sea. No adults have been reported east of the Ionian Sea. Highly migratory species. Reportedly caught from the Aegean Sea (Pennetti, pers. comm.).

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 240 cm TL mâle / non sexé; (Ref. 4770); common length : 200 cm OT mâle / non sexé; (Ref. 43); poids max. publié: 70.0 kg (Ref. 43)

This species is the most common istiophorid in the central basin of the Mediterranean and completes its life cycle inside this sea as far as is known to date. Probably swims in the upper 200 m water layer, generally above or within the thermocline. Travels in pairs, possibly corresponding to a feeding behavior. Feeds on fishes. Probably more widespread in the Mediterranean Sea and may have been identified as T. albidus by anglers and fishermen.

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Winter and spring might not be an unreasonable hypothesis for the spawning season of this species.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Nakamura, I., 1985. FAO species catalogue. Vol. 5. Billfishes of the world. An annotated and illustrated catalogue of marlins, sailfishes, spearfishes and swordfishes known to date. FAO Fish. Synop. 125(5):65p. Rome: FAO. (Ref. 43)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 15 November 2021

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Harmless

Utilisations par l'homme

Pêcheries: intérêt commercial mineur

FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 13.7 - 19.3, mean 15.3 (based on 121 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5630 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00447 (0.00193 - 0.01034), b=3.14 (2.94 - 3.34), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).

Niveau trophique (Ref. 69278): 4.4 ±0.63 se; based on food items.

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (Assuming tmax>10).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (90 of 100).

Catégorie de prix (Ref. 80766): High.

Tetrapturus belone Rafinesque, 1810