Cold Water
Leafy Seadragon
Phycodurus eques · Bony fish — family Syngnathidae; an Australian endemic seadragon and South Australia's marine emblem
The leafy seadragon does not look like a fish even while you watch it swim. Leaf-shaped skin lobes sprout from head, trunk, and tail until the animal reads as drifting kelp; propulsion comes from small, nearly transparent fins, so it hangs and pivots like weed obeying a private current. Leafies live only along Australia's southern coast, working kelp lines, seagrass edges, and jetty piles for mysid shrimp taken through a pipette snout. Males carry the brood, eggs pressed onto a patch beneath the tail for six to eight weeks. South Australian jetty and bay dives made the species a pilgrimage animal, and the rules reflect its status: fully protected, never touched, never herded into open water for a photograph. Move with the swell, keep the lights low and brief, and let the kelp keep pretending.
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 |
|---|---|---|---|
| South AustraliaAustralia | Resident — seen on most dives | 年間を通じて |
ベストな月、一目でわかる
| 月 | 安定して出会える目的地 |
|---|---|
| January | South Australia |
| February | South Australia |
| March | South Australia |
| April | South Australia |
| May | South Australia |
| June | South Australia |
| July | South Australia |
| August | South Australia |
| September | South Australia |
| October | South Australia |
| November | South Australia |
| December | South Australia |
理解を深める
ハビタット: Kelp and macroalgae beds, seagrass edges, and jetty piles over sand in cool southern Australian water.
分布域: Southern Australian coast only, roughly from South Australia's gulfs west into southern Western Australia.
生態・行動: Drifts among weed on nearly transparent fins, relying wholly on its leafy costume; males brood the eggs, carried on a patch under the tail for roughly six to eight weeks.
食性: Mysid shrimp and other small crustaceans sucked through the pipette snout in vast numbers.
サイズ: 目安は 0.24 m; 確認済みの最大記録 0.35 m (total length).
出会ったときの正しいふるまい方
Fully protected — never touch, herd into open water, or crowd for a cleaner backdrop; move with the swell, keep lights brief, and stay at the animal's level rather than above it.
保全
Least Concern under its current assessment and fully protected in Australian waters; habitat loss along the southern coast and past curio collection drove the protections.
目撃情報で知られるダイブサイト
動画を見る
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