Big Fish
Bumphead Parrotfish
Bolbometopon muricatum · Bony fish — family Scaridae
An oncoming herd of bumphead parrotfish sounds like road repair — the crunch of beaks shearing coral carries meters ahead of the fish themselves, olive-gray hulks with pink foreheads and pale beaks, moving in loose formation across the reef crest. They are ecosystem engineers on a heroic scale, each adult converting living rock into a yearly tonnage of white sand; entire beaches are, in part, their output. Sipadan's dawn parade of bumpheads along the reef edge is the species' showcase, and Palau protects spawning aggregations that gather at new moons. Slow-growing, communal, and easy to spear at night, they vanish quickly without protection — their presence is a reef's good-conduct medal.
어디서 언제 볼 수 있나
"상주종"은 해당 다이빙 포인트에서 대부분의 다이빙 시 만날 수 있다는 의미이며, "계절종"은 표기된 월에 안정적으로 출현한다는 뜻입니다. 그 외의 생물은 보너스로 여기세요 — 계획의 근거로 삼지 마세요.
| 목적지 | 신뢰도 | 월 | 참고 사항 |
|---|---|---|---|
| Sipadan & MabulMalaysia | Resident — seen on most dives | 연중 가능 | |
| PalauPalau | Resident — seen on most dives | 연중 가능 | |
| Raja AmpatIndonesia | Resident — seen on most dives | 연중 가능 | |
| Tubbataha ReefsPhilippines | Resident — seen on most dives | Mar–Jun |
한눈에 보는 최적의 달
| 월 | 믿을 수 있는 다이빙 명소 |
|---|---|
| January | Sipadan & Mabul · Palau · Raja Ampat |
| February | Sipadan & Mabul · Palau · Raja Ampat |
| March | Sipadan & Mabul · Palau · Raja Ampat · Tubbataha Reefs |
| April | Sipadan & Mabul · Palau · Raja Ampat · Tubbataha Reefs |
| May | Sipadan & Mabul · Palau · Raja Ampat · Tubbataha Reefs |
| June | Sipadan & Mabul · Palau · Raja Ampat · Tubbataha Reefs |
| July | Sipadan & Mabul · Palau · Raja Ampat |
| August | Sipadan & Mabul · Palau · Raja Ampat |
| September | Sipadan & Mabul · Palau · Raja Ampat |
| October | Sipadan & Mabul · Palau · Raja Ampat |
| November | Sipadan & Mabul · Palau · Raja Ampat |
| December | Sipadan & Mabul · Palau · Raja Ampat |
이해하기
서식지: Coral reefs and lagoons; sleeps in wrecks, caves, and channels in packed herds, grazes reef flats by day
범위: Indo-Pacific from the Red Sea and East Africa through the Coral Triangle to Micronesia and the western Pacific; scarce or gone near heavy fishing
행동 특성: Travels in herds of a dozen to a hundred, grazing in slow bulldozer lines with audible crunches, trailing plumes of coral sand. Males headbutt audibly in dawn dominance contests — the function of the bump made literal. Sleeps communally and predictably, which made night spearfishing so devastating.
먹이: Live coral and coralline algae — an adult crunches through tonnes of reef a year and excretes it as sand
크기: 보통 1.0 m; 최대 기록 수심 1.3 m (total length; the largest parrotfish, to around 45 kg).
이 생물 주변에서의 행동 요령
Never disturb sleeping herds on night dives — a panicked exodus injures fish on the reef. By day, position yourself beside the grazing line, not in it, and skip flash on close sleeping fish.
보존
Vulnerable; night spearfishing of sleeping herds emptied much of its range, and recovery is slow — protected aggregations at Palau, Sipadan, and Tubbataha are the benchmarks.
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