Sky emperor

Fishing and seasons

Abundance season, spawning season and legal closure are three separate things. Each line carries its kind of evidence, its region and its source; what is not documented is said to be undocumented.

Habitat and diet

• Feeds primarily on echinoderms (most often sea urchins), crustaceans and fishes; molluscs, tunicates, sponges, polychaetes and other worms in lesser quantities. A general description of the species, not a Saudi diet study; a natural diet does not prove a best bait. Biological reference Global
  Source

  Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue Vol. 9. Emperor fishes and large-eye breams of the world (Family Lethrinidae) — L. mahsena account — Habitat and Biology · Scientifically documented
  Feeds primarily on echinoderms (most frequently sea urchins), crustaceans, and fishes; others in lesser quantities. (our rendering of what the locator holds, not a quotation)

• Inhabits coral reefs and adjacent sandy and seagrass areas to depths of 100 m (FAO catalogue, 1989). Biological reference Global
  Source

  Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue Vol. 9. Emperor fishes and large-eye breams of the world (Family Lethrinidae) — L. mahsena account — Habitat and Biology · Scientifically documented
  Inhabits coral reefs and adjacent sandy and seagrass areas to depths of 100 m. (our rendering of what the locator holds, not a quotation)

Time of day

• General handlining guidance from an FAO manual: the best times are usually early morning and late evening. It is general advice, not specific to this species and not backed by a Saudi study; the same manual advises also watching the current, the bottom and the presence of bait fish when choosing where to fish. General guidance — not species-specific Global
  Source

  Handlining and squid jigging (FAO Training Series No. 23) — Part I, section 8 "Deciding where and when to fish" (Moon and sun) · Scientifically documented
  States that, as a general rule, the best times for handlining are early in the morning and late in the evening; the right time also depends on the species and place. (our rendering of what the locator holds, not a quotation)

Gear

• The catalogue says it is caught mainly with handlines, traps and trawls and considers it an excellent food fish in most areas of the Red Sea. A worldwide account, not specific to the Saudi coast. Biological reference Global
  Source

  Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue Vol. 9. Emperor fishes and large-eye breams of the world (Family Lethrinidae) — L. mahsena account — Interest to Fisheries · Scientifically documented
  Caught mainly with handlines, traps, and trawls. Considered an excellent food fish in most areas of the Red Sea. (our rendering of what the locator holds, not a quotation)

Bait

• The natural diet is given in the diet note on this page. A practical suggestion to test, not a bait shown to be best: shrimp or squid near the bottom, with a fish bait included in the comparison. A natural diet does not by itself prove the best bait, and no Saudi comparative bait trial was found. Practical suggestion to test — not shown to be best Global
  Source

  Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue Vol. 9. Emperor fishes and large-eye breams of the world (Family Lethrinidae) — L. mahsena account — Habitat and Biology · Scientifically documented
  Feeds primarily on echinoderms, crustaceans and fishes. (our rendering of what the locator holds, not a quotation)

Fishery status

• A 2026 study of eight Lethrinus species in Saudi Red Sea fisheries: L. mahsena is below the 40% spawning-potential-ratio threshold but only slightly above safe biological limits, according to the abstract. The authors recommend species-specific minimum landing sizes, selective gear and stronger enforcement. Measured in a study Saudi territorial waters, Red Sea
  Source

  Critical information on the genus Lethrinus from the Red Sea, applications for fisheries conservation and management — Abstract (eight Lethrinus species, Saudi Red Sea coast, April 2022–April 2025) · Scientifically documented
  Exploitation exceeds the reference limit in three species; L. lentjan has spawning-potential-ratio values below 22%; L. mahsena and L. obsoletus are below the 40% threshold; recommends species-specific minimum landing sizes, selective gear and stronger enforcement. (our rendering of what the locator holds, not a quotation)

Identity and names

• The FAO catalogue (1989) records the Saudi local names "Shaoor" and "Sheiry" for this species. The same or closely similar names are recorded for other species of the genus (L. harak, L. lentjan, L. microdon, L. nebulosus, L. xanthochilus), so the popular name does not identify a species, and no name is bound to a species by resemblance alone. Identity and names Saudi Arabia
  Source

  Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue Vol. 9. Emperor fishes and large-eye breams of the world (Family Lethrinidae) — L. mahsena account — Local Names · Scientifically documented
  Local Names: SAUDI ARABIA "Shaoor" and "Sheiry". (our rendering of what the locator holds, not a quotation)

• No published seasonal description specific to this species was found in the sources checked.
• Spawning months for this species: not documented in the sources checked.
• Best month for line fishing: no Saudi source checked ranks the months. Abundance season, spawning season and legal closure are three separate things.
• Bait ranking: no Saudi comparative trial was found in the sources checked.