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Harlequin sweetlips (Plectorhinchus chaetodonoides)

Photo of Harlequin sweetlips (Plectorhinchus chaetodonoides)

Key facts

Scientific name
Plectorhinchus chaetodonoides
Common name
Harlequin sweetlips
Category
Fish
Family
Haemulidae
Genus
Plectorhinchus
Size
30–60 cm
Depth
1–30 m
IUCN status
Least concern (LC)
Danger level
Harmless
Habitats
reef
Behaviours
solitary, nocturnal
Ocean zones
Asian Pacific, Indian Ocean & Red Sea

Description

Plectorhinchus chaetodonoides reaches 60 cm. Adult white-to-cream blotched with large black spots and dark scales. Juveniles spectacularly different: white-to-cream with black spots and a chaotic sinuous swim mimicking a toxic flatworm (Pseudobiceros), a remarkable case of Batesian mimicry. Solitary on Indo-Pacific reefs from 1 to 30 m. A sought photo subject in both juvenile and adult forms.

Photo of Harlequin sweetlips

Photo of Harlequin sweetlips (Plectorhinchus chaetodonoides)

Frequently asked questions

How big is the Harlequin sweetlips?
Harlequin sweetlips (Plectorhinchus chaetodonoides) reaches 30–60 cm in length.
At what depth can you find the Harlequin sweetlips?
Harlequin sweetlips is found between 1–30 m deep.
Is the Harlequin sweetlips dangerous to divers?
Danger level: Harmless.
What is the conservation status of the Harlequin sweetlips?
IUCN status: Least concern (LC).
Where can you find the Harlequin sweetlips?
Found in: Asian Pacific, Indian Ocean & Red Sea.

Other species in the genus Plectorhinchus

  • Plectorhinchus vittatus - Oriental sweetlips
  • Plectorhinchus mediterraneus - Rubberlip grunt
  • Plectorhinchus macrolepis - Bigscale grunt
  • Plectorhinchus gaterinus - Striped Sweetlips
  • Plectorhinchus schotaf - Blackspotted Sweetlips
  • Plectorhinchus albovittatus - Whiteline Sweetlips

Other species in the family Haemulidae

  • Haemulon flavolineatum - French grunt
  • Haemulon sciurus - Bluestriped grunt
  • Haemulon plumierii - White grunt
  • Haemulon parra - Sailor's choice
  • Haemulon aurolineatum - Tomtate grunt
  • Anisotremus virginicus - Porkfish

Sources

  • Taxonomy: WoRMS (AphiaID 273483)
  • Photos: iNaturalist (CC BY-NC)
  • Distribution: GBIF (taxonKey 2382701)
  • Conservation: IUCN Red List
  • Encyclopedia: Wikipedia