Reef Fish
Reef Stonefish
Synanceia verrucosa · Bony fish — family Synanceiidae (stonefishes), often treated within the scorpionfish lineage
Nothing on the reef rewards good buoyancy like the reef stonefish, because the price of touching the bottom carelessly is written into its anatomy: thirteen dorsal spines, each seated over venom glands that inject under pressure when pressed. It is the most dangerous venomous fish a diver routinely shares water with — envenomation means immediate, severe pain and a trip to hospital, though deaths are very rare and an antivenom exists in Australia. The animal itself is a masterpiece of not being there, a warty, algae-crusted lump that buries into sand or molds against coral for weeks at a stretch, lunging only when prey passes. Divers almost never spot one unaided. Treat every unexamined rock as spoken for: stay off the bottom, never brace a hand blind, and save the close inspection for after the guide points.
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 | |
| Cairns & the Ribbon ReefsAustralia | Resident — seen on most dives | 年間を通じて | |
| Sharm El Sheikh & Ras MohammedEgypt | Resident — seen on most dives | 年間を通じて | |
| Hurghada & El GounaEgypt | Resident — seen on most dives | 年間を通じて | |
| Lembeh StraitIndonesia | Resident — seen on most dives | 年間を通じて | |
| Similan Islands & Richelieu RockThailand | 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: Sand, rubble, and coral where it half-buries or molds against the bottom, including knee-deep shore entries and reef tops.
分布域: Indo-Pacific and Red Sea, from East Africa to French Polynesia, north to southern Japan.
生態・行動: May hold one ambush spot for weeks, accumulating algae and silt until it reads as rock; relies so completely on camouflage that it rarely moves even for an approaching diver.
食性: Fishes and crustaceans taken in a single explosive lunge from ambush.
サイズ: 目安は 0.3 m; 確認済みの最大記録 0.4 m (total length).
出会ったときの正しいふるまい方
Perfect buoyancy is the protection: stay off the bottom, never brace a hand where you have not looked, and wear solid-soled boots on shore entries.
保全
Widespread and not considered threatened; the management story is human safety education rather than protection.
目撃情報で知られるダイブサイト
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