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Arius maculatus  (Thunberg, 1792)

Spotted catfish
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Native range | All suitable habitat | Point map | Year 2100
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Arius maculatus   AquaMaps   Data sources: GBIF OBIS
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Image of Arius maculatus (Spotted catfish)
Arius maculatus
Picture by Gloerfelt-Tarp, T.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Siluriformes (Catfish) > Ariidae (Sea catfishes) > Ariinae
Etymology: Arius: Greek, arios, areios = dealing with Mars, warlike, bellicose (Ref. 45335).

Environment / Climate / Range Ecology

Marine; freshwater; brackish; demersal; potamodromous (Ref. 51243); depth range 50 - 100 m (Ref. 28016).   Tropical; 33°N - 4°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-West Pacific: off the west and east coast of India, Sri Lanka, Pakistan, Bangladesh, Myanmar to the Arafura Sea (Ref. 9819) and the Indo-Australian Archipelago (excluding Australia). Known from the Mekong Delta (Ref. 12693).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 38 - ? cm
Max length : 80.0 cm TL male/unsexed; (Ref. 11441); common length : 30.0 cm TL male/unsexed; (Ref. 3290)

Short description Morphology | Morphometrics

Dorsal spines (total): 1; Dorsal soft rays (total): 7; Anal soft rays: 16 - 30. Head shield somewhat rugose; deep and long median fontanelle groove.

Biology     Glossary (e.g. epibenthic)

Adults occurs in inshore waters and estuaries. Occasionally form schools. Feed on invertebrates and small fishes. Males incubate eggs in the mouth (Ref. 205). Caught mainly with set bag nets and bamboo stake traps. Marketed fresh (Ref. 3290). Air bladders are exported as isinglass used by the wine industry (Ref. 43081). Strong venomous dorsal and pectoral spines provide protection for the fish (Ref. 43081).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Males incubate eggs in buccal cavity. During incubation, males starve which sometimes make them resort to swallowing one or two eggs probably to maintain basal metabolism (Ref. 43081). Early hatching embryos commence feeding on inhaled particles by the female when still in possession of large yolk.

Main reference Upload your references | References | Coordinator : Ferraris, Jr., Carl J. | Collaborators

Kailola, P.J., 1999. Ariidae (=Tachysuridae): sea catfishes (fork-tailed catfishes). p. 1827-1879. In K.E. Carpenter and V.H. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 3. Batoid fishes, chimaeras and bony fishes part 1 (Elopidae to Linophrynidae). FAO, Rome. (Ref. 38478)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Traumatogenic (Ref. 58010)




Human uses

Fisheries: commercial
FAO(Publication : search) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GloBI | GOBASE | | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Preferred temperature (Ref. 115969): 22.5 - 28.2, mean 26.4 (based on 130 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01175 (0.00687 - 0.02010), b=3.00 (2.85 - 3.15), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Trophic Level (Ref. 69278):  3.4   ±0.46 se; Based on food items.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (tmax=7).
Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100) .
Price category (Ref. 80766):   Medium.