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Istiophoridae - - Classification -
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| Native range | All suitable habitat | Point map | Year 2050 |
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| This map was computer-generated and has not yet been reviewed. |
| Kajikia albida AquaMaps Data sources: GBIF OBIS |
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Kajikia albida
Picture by Chow, S.
Pictures | Stamps, coins, misc. | Google image
Picture by Chow, S.
Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range Ecology
Marine; pelagic-oceanic; oceanodromous (Ref. 51243); depth range 0 - 150 m (Ref. 43), usually 0 - 100 m (Ref. 55219). Subtropical; 22°C - ? (Ref. 12451); 47°N - 45°S, 99°W - 27°E (Ref. 55219)
Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri
Atlantic Ocean: roughly from 45°N to 45°S in the southwestern Atlantic and 35°S in the southeastern Atlantic. Records from the Mediterranean Sea, and from Bretagne, France seem to correspond to a few straying individuals. Classified as 'reduced' (Ref. 12451). It is unclear whether there are two separate stocks or a single population in the Atlantic. Highly migratory species.
Length at first maturity / Size / Weight / Age
Maturity: Lm 164.0, range 130 - ? cm
Max length : 300 cm TL male/unsexed; (Ref. 4770); common length : 210 cm TL male/unsexed; (Ref. 5217); max. published weight: 82.5 kg (Ref. 43)
Max length : 300 cm TL male/unsexed; (Ref. 4770); common length : 210 cm TL male/unsexed; (Ref. 5217); max. published weight: 82.5 kg (Ref. 43)
Short description Identification keys | Morphology | Morphometrics
Dorsal spines (total): 0; Dorsal soft rays (total): 43 - 52; Anal spines: 0; Anal soft rays: 17 - 23. Blue-black above, silvery white and splattered with brown on the sides, silvery white below; sometimes with more than 15 rows of obscure whitish stripes; 1st dorsal fin dark blue with black dots; 2nd dorsal fin dark blue; pectorals blackish brown, with tinges of silvery white in some specimens; pelvic fins blue-black with a black fin membrane; caudal fin blackish brown.
Usually above the thermocline. Its distribution varies seasonally, reaching higher latitudes in both the northern and southern hemispheres only during the respective warm seasons. Usually found in deep (over 100 m) blue water with surface temperatures over 22°C and salinities of 35 to 37 ppt. Currents of 0.5 to 2 knots occur over much of its habitat. Feeds on fishes and squids. Females grow larger (Ref. 4770). Flesh is of excellent quality. Marketed fresh and frozen.
Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae
Migrates into subtropical waters to spawn, with peak spawning occurring in early summer. The spawning areas are found in deep and blue oceanic waters, generally at high temperatures ranging from 20° to 29°C except in the southern Atlantic gyrals, and high surface salinities (over 35 ppt).
Main reference
Upload your references | References | Coordinator | Collaborators
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)
CITES
Not Evaluated
Threat to humans
Harmless
Human uses
Fisheries: minor commercial; gamefish: yes
FAO - Fisheries: landings; Publication: search | FIRMS - Stock assessments | FishSource | Sea Around Us
More information
Population dynamics
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Growth parameters
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Recruitment
Abundance
Life cycle
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Reproduction
Maturity
Maturity/Gills rel.
Fecundity
Spawning
Spawning aggregations
Eggs
Egg development
Larvae
Larval dynamics
Anatomy
Gill area
Brain
Otolith
Gill area
Brain
Otolith
Physiology
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Body composition
Nutrients
Oxygen consumption
Swimming type
Swimming speed
Visual pigments
Fish sound
Diseases & Parasites
Toxicity (LC50s)
Tools
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Special reports
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Internet sources
AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Fisheries: landings; Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genome, nucleotide | GloBI | GoMexSI (interaction data) | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoological Record
Estimates based on models
Preferred temperature (Ref. 123201): 15.7 - 27.9, mean 25.1 °C (based on 1614 cells).
Phylogenetic diversity index (Ref. 82804): PD50 = 0.7505 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00195 - 0.01025), b=3.14 (2.94 - 3.34), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278): 4.5 ±0.4 se; based on diet studies.
Generation time: 1.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Resilience (Ref. 120179): Medium, minimum population doubling time 1.4 - 4.4 years (K=0.58; assuming tm >=2).
Prior r = 0.24, 95% CL = 0.16 - 0.36, Based on 1 full stock assessment.
Fishing Vulnerability (Ref. 59153): Moderate vulnerability (41 of 100).
Climate Vulnerability (Ref. 125649): High vulnerability (62 of 100).
Nutrients (Ref. 124155): Calcium = 38 [16, 74] mg/100g; Iron = 1.1 [0.6, 2.1] mg/100g; Protein = 19.9 [18.6, 21.1] %; Omega3 = 0.225 [0.114, 0.444] g/100g; Selenium = 46.4 [22.1, 100.3] μg/100g; VitaminA = 4.21 [1.14, 15.31] μg/100g; Zinc = 0.34 [0.22, 0.53] mg/100g (wet weight);