Antennarius biocellatus

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Antennarius biocellatus
Antennarius biocellatus.png
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Lophiiformes
Family: Antennariidae
Genus: Antennarius
Species:
A. biocellatus
Binomial name
Antennarius biocellatus
Cuvier, 1817
Synonyms
  • Chironectes biocellatus Cuvier, 1817
  • Antennarius notophthalmus Bleeker, 1854

Antennarius biocellatus, the brackish water frogfish, brackish water anglerfish, freshwater frogfishtwinspot frogfish or fishing frog, is a species of euryhaline ray-finned fish belonging to the family Antennariidae, the frogfishes. This fish is found in the Western Pacific Ocean.

Contents

Taxonomy

Antennarius biocellatus' was first formally described as Chironectes biocellatus in 1817 by the French zoologist Georges Cuvier, the type locality is not known. [2] Within the genus Antennarius this species is a sister taxon to all of the others. [3] The 5th edition of Fishes of the World classifies the genus Antennarius in the family Antennariidae within the suborder Antennarioidei within the order Lophiiformes, the anglerfishes. [4]

Etymology

Antennarius biocellatus has the genus name Antennarius which suffixes -ius to antenna, an allusion to first dorsal spine being adapted into a tentacle on the snout used as a lure to attract prey. The specific name biocellatus. this means "two little eyes" and is an allusion to the two ocelli, one on the rear of the base of the dorsal fin, and the other (not always present) on the caudal peduncle. [5]

Description

Antennarius biocellatus has a second dorsal spine which is longer than the first dorsal spine, the illicium which is tipped with a small esca, or lure. The second dorsal spine is not connected to the head by a membrane. The ocellus at the base of the rear of the dorsal fin is surrounded by a thin pale yellow, black-margined ring. The body is deep and slightly compressed. [3] The second dorsal fin has 12 soft rays while the anal fin has 6 or 7 soft rays. This species has a maximum published standard length of 14 cm (5.5 in). [6]

Distribution and habitat

Antennarius biocellatus is found in the Western Pacific Ocean from Indonesia and the Philippines east through New Guinea and the Solomon Islands, north to Taiwan. records from elsewhere require verification. It is found at depths between 0 and 10 m (0 and 33 ft) in estuaries and inshore waters, including reefs. It has been recorded entering freshwater. [1]

Biology

Antennarius biocellatus is and ambush predator which sits still and lures prey to its mouth using the esca. [1] The females lay eggs in a gelatinous mass or ribbon known as an "egg-raft" or "veil". [6]

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References

  1. 1 2 3 Leander, N.J.S.; Torres, A.G. & Capuli, E. (2022). "Antennarius biocellatus". IUCN Red List of Threatened Species . 2022: e.T196304A2443685. doi: 10.2305/IUCN.UK.2022-1.RLTS.T196304A2443685.en . Retrieved 27 March 2024.
  2. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Antennarius". Catalog of Fishes . California Academy of Sciences . Retrieved 27 March 2024.
  3. 1 2 "Antennarius biocellatus (Cuvier, 1817) Brackish-Water Frogfish (Twinspot Frogfish) - Brackwasser Anglerfisch". www.frogfish.ch. Teresa Zubi. Retrieved 27 March 2024.
  4. ↑ Nelson, J.S.; Grande, T.C.; Wilson, M.V.H. (2016). Fishes of the World (5th ed.). Hoboken, NJ: John Wiley & Sons. pp. 508–518. doi:10.1002/9781119174844. ISBN   978-1-118-34233-6. LCCN   2015037522. OCLC   951899884. OL   25909650M.
  5. ↑ Christopher Scharpf (14 November 2022). "Order LOPHIIFORMES (part 1): Families LOPHIIDAE, ANTENNARIIDAE, TETRABRACHIIDAE, LOPHICHTHYIDAE, BRACHIONICHTHYIDAE, CHAUNACIDAE and OGCOCEPHALIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf. Retrieved 27 March 2024.
  6. 1 2 Froese, Rainer; Pauly, Daniel (eds.). "Antennarius boocellatus". FishBase . February 2024 version.
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