Macro
Leaf Scorpionfish
Taenianotus triacanthus · Bony fish — family Scorpaenidae; the only member of its genus
The act is total: a leaf scorpionfish flattens into a blade-thin oval, plants itself among rubble or weed, and rocks with the surge like dead vegetation, sometimes holding the same square meter for weeks. Colors span white, cream, yellow, pink, rust, and near-black, and an individual can shift shade over days; the fish also molts, shedding a dull outer skin layer every week or two to clear fouling and reboot the disguise. It is a genuine scorpionfish with mildly venomous spines, though its real defense is being ignored rather than fighting. Prey — small crustaceans and fish larvae — sways within reach and simply disappears. Once a guide points out the first one you start finding your own: scan rubble edges and ledge lips for the single leaf holding its ground against the current.
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 | Occasional | 年間を通じて | |
| Lembeh StraitIndonesia | Occasional | 年間を通じて | |
| AnilaoPhilippines | Occasional | 年間を通じて | |
| Kona, HawaiʻiUnited States | Occasional | 年間を通じて | |
| Similan Islands & Richelieu RockThailand | Occasional | 年間を通じて | |
| Dumaguete, Dauin & Apo IslandPhilippines | 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: Rubble patches, ledge lips, algae tufts, and coral heads on reef slopes and drop-off edges, holding position where surge moves debris.
分布域: Indo-Pacific from East Africa to Hawaii and French Polynesia, north to southern Japan, south to Australia.
生態・行動: Rocks side to side with the surge like a dead leaf, holds a home patch for weeks, shifts color over days, and periodically molts its outer skin layer to shed fouling.
食性: Small crustaceans and larval fishes that drift within reach of the upturned mouth.
サイズ: 目安は 0.08 m; 確認済みの最大記録 0.1 m (total length).
出会ったときの正しいふるまい方
Frame it where it sits; nudging a leaf scorpionfish onto prettier bottom is the fastest way to make it swim off and lose its ambush site.
保全
Wide-ranging and not considered threatened; aquarium collection happens at a small scale.
目撃情報で知られるダイブサイト
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