Reef Fish
Frogfish
Antennariidae · Bony fish — family Antennariidae (frogfishes, order Lophiiformes, the anglerfishes); family-level overview of roughly 50 species
Finding the frogfish is the dive. Some fifty species of these globular anglerfishes sit motionless for days impersonating sponges, tunicates, algae-covered rock, or — in the hairy frogfish's case — a tuft of drifting weed, and even hand-sized individuals vanish against the right background. The first dorsal spine has evolved into a fishing rod tipped with a lure, a wriggling worm shape in some species and a shrimp shape in others, twitched above the mouth to call prey in. The strike is among the fastest feeding movements measured in fishes, the mouth ballooning open in a few milliseconds to inhale fish nearly the hunter's own length. Frogfishes walk rather than swim, ambling on limb-like pectoral fins. Muck guides track individuals for weeks, so ask what the site is holding.
どこで・いつ見られるか
「常駐（Resident）」とは、そのダイビングスポットでのほとんどのダイブで遭遇できることを意味します。「季節限定（Seasonal）」とは、記載された月に確実に見られることを意味します。それ以外の出会いはボーナスであり、計画の前提にはなりません。
| 目的地 | 信頼性 | 月 | メモ |
|---|---|---|---|
| Bali & Nusa PenidaIndonesia | Resident — seen on most dives | 年間を通じて | |
| Lembeh StraitIndonesia | Resident — seen on most dives | 年間を通じて | |
| AnilaoPhilippines | Resident — seen on most dives | 年間を通じて | |
| Banda Sea & AmbonIndonesia | Resident — seen on most dives | 年間を通じて | |
| Dumaguete, Dauin & Apo IslandPhilippines | Resident — seen on most dives | 年間を通じて | |
| BonaireBonaire | Occasional | 年間を通じて |
ベストな月、一目でわかる
理解を深める
ハビタット: Sponges, rubble, wreck surfaces, jetty piles, and weed on both muck slopes and coral reefs; the sargassumfish drifts at the surface in floating weed.
分布域: Warm seas worldwide; greatest variety in the Coral Triangle, with the longlure frogfish standing in across the Caribbean.
生態・行動: Sits motionless for days matching a sponge or weed tuft, twitching a modified dorsal-spine fishing rod and lure above the mouth; walks on limb-like pectoral fins rather than swimming.
食性: Fishes and crustaceans lured within range and inhaled whole, including prey nearly the frogfish's own length.
サイズ: 目安は 0.1 m; 確認済みの最大記録 0.4 m (family range in total length; most diver-found species run 5–20 cm, the giant frogfish to about 40 cm).
出会ったときの正しいふるまい方
Never move a frogfish or its perch for a cleaner shot, and skip repeated strobe volleys at close range; a relocated ambusher loses its hunting spot.
保全
Few species have been formally assessed; the practical threats are habitat loss on muck coastlines and collection for aquaria.
目撃情報で知られるダイブサイト
動画を見る
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