Lutjanus arakan, Arakan snapper

Lutjanus arakan Hasan, Durand & Iwatsuki, 2025

Arakan snapper
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Teleostei (teleosts) > Eupercaria/misc (Various families in series Eupercaria) > Lutjanidae (Snappers) > Lutjaninae
Etymology: Lutjanus: Malay, ikan lutjan, name of a fisharakan: Named after the historical Arakan coast along the eastern Bay of Bengal, where it is currently known; noun in apposition.

Taxonomic Remarks
Previously misidentified as Lutjanus lemniscatus (non Valenciennes, 1828) and Lutjanus guilcheri (non Fourmanoir, 1959).

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

Marine; reef-associated; depth range 3 - 20 m (Ref. 138536). Tropical

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

Bay of Bengal.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 36.0 cm SL male/unsexed; (Ref. 138536); max. published weight: 1.5 kg (Ref. 138536)

Short description Identification keys | Morphology | Morphometrics

Dorsal spines (total): 10; Dorsal soft rays (total): 13 - 14; Anal spines: 3; Anal soft rays: 8. This species is distinguished by the following set of characters: D X, 14 (13-14); A III, 8; body depth 2.4-2.8 in SL; eye 3.7-4.8 in HL; interorbital 5.6-7.4 in HL; scale rows above lateral line rising obliquely toward dorsal profile; predorsal scales extend forward to middle of interorbital; preopercular notch and interopercular knob are weakly developed; vomer with narrow, crescentic, V-shaped patch of granular teeth without a medial posterior extension; caudal fin slightly emarginate. Colouration when fresh or in life reddish brown, grey-brown, or olive-brown on head, back, and upper sides; the lower sides and belly reddish brown or silvery pink in adults and brownish white in juveniles; dorsal, caudal, anal, and pelvic fins are reddish brown, with a black spot at base of uppermost pectoral-fin rays; two dark-brown stripes on the upper half of lateral body, first from upper end of operculum to posterior end of soft-dorsal-fin base, continuing to upper caudal-fin base and the second stripe from behind upper middle operculum straight to mid-base of caudal fin, preceded by a squarish dark blotch on upper operculum (Ref. 138536).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biology     Glossary (e.g. epibenthic)

Inhabits coral-associated rocky reefs, mostly at about 3-20 m depth from where it is mostly fished. Juveniles often found in shallower waters, in less than 5 m. It is not known to occur in estuarine areas or in soft bottom trawling grounds. This species is the most frequently caught snapper (lutjanid), regularly seen in hand-line catches and occasionally in bottom-set gill net catches around Zinjira Island, Bangladesh. Associated species in catches are Lutjanus indicus, L. johnii, L. lunulatus, Lethrinus sp., Paranibea semiluctuosa, and Pomadasys guoraca, among others (Ref. 138536).

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

Main reference Upload your references | References | Coordinator | Collaborators

Hasan, M.E., J.-D. Durand and Y. Iwatsuki, 2025. Lutjanus arakan, a new species of snapper (Teleostei: Lutjanidae) from the Bay of Bengal, Bangladesh, previously confused with L. lemniscatus. J. Ocean Sci. Found., 45:7-35. (Ref. 138536)

IUCN Red List Status (Ref. 130435: Version 2025-2 (Global))


CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

FAO - Publication: search | FishSource |

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AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index
(Ref. 82804)
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01479 (0.00706 - 0.03101), b=2.96 (2.80 - 3.12), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trophic level
(Ref. 69278)
3.9   ±0.7 se; based on size and trophs of closest relatives
Resilience
(Ref. 120179)
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.).
Fishing Vulnerability
(Ref. 59153)
Low to moderate vulnerability (34 of 100). 🛈