family pomacanthidae n.
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Family Pomacanthidae. Fish in Pomacanthidae. Perciform fish (perch-like ) Marine angelfishes. About the name. poma meaning " cover” akantha meaning "thorn". Preopercle spines (red). Information. Small mouths, large pectoral fins, and rounded lunate tail fins

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fish in pomacanthidae
Fish in Pomacanthidae
  • Perciform fish (perch-like)
  • Marine angelfishes
about the name
About the name
  • poma meaning "cover”
  • akanthameaning "thorn"

Preopercle spines (red)

  • Small mouths, large pectoral fins, and rounded lunate tail fins
  • Size is from 6 inches to 2 feet with the average at 8-11 inches
  • Are protogynous hermaphrodites

Up to 2 feet long

(gray angelfish)

Up to 6 inches (dwarf angelfish)

  • Feeds almost exclusively on sponges supplemented by small amounts of algae, tunicates, hydroids and bryozoans.
  • Juveniles are sometimes cleaner fish.
  • Are shy and like to hide
  • Found in pairs year round, so might have long term monogamous bonds.
  • Reproduce by rising up in the water, bringing their bellies close together, and releasing clouds of sperm and eggs.
distinguishing features
Distinguishing features
  • A dark blue spot on the forehead, speckled and ringed with brilliant blue, forms the "crown." 
  • The tail is yellow.
fish in pomacentridae
Fish in Pomacentridae
  • Perciform fish (perch-like)
  • Includes damselfishes and clownfishes
about the name1
About the name
  • Poma (Greek)-means cover. In reference to the fishes’ opercula.
  • Centri-derived from the Greek word kentron, which means sting.
  • This refers to the serrations along the margins of the opercula of the fishes.
cool stuff
Cool stuff
  • This family is known for being territorial
  • The males engage in mating displays by bursts of motion, hovering, fin extensions and fin beats.
  • If the female is attracted then she will lay her eggs in his nest to be fertilized by the male externally—through the water.
sergeant major abudefduf saxatilis
Sergeant Major (Abudefdufsaxatilis)
  • Five black body bars.
  • Upper lip does not overhang lower lip.
  • Named Sergeant Major because of the stripes which are reminiscent of the insignia.
  • Feed on the larvae of invertebrates, zooplankton, smaller fish, crustaceans and algae.
  • Eaten by groupers, basses and wrasses.
  • Usually about 6 inches in length
interesting facts1
Interesting facts:
  • At Fernando de Noronha Archipelago, this species feeds on spinner dolphins’ feces and vomits.
  • Also, juveniles may hold cleaning stations together with the doctorfishand the blue tang and graze algae as well as pick molted skin and parasites from green turtles.