Echinoidea |
Diadematoida |
Diadematidae
Environment: milieu / climate zone / গভীরতার পরিসীমা / distribution range
বাস্তুসংস্থান
রীফ সংশ্লিষ্ট; গভীরতার পরিসীমা 1 - 220 m (সূত্র 95661). Tropical
Indo-Pacific: from Indian Ocean to Tahiti and from Japan to South Pacific Islands.
Length at first maturity / আকৃতি / Weight / Age
পরিপক্কতা : Lm ? range ? - ? cm Max length : 20.0 cm WD পুরুষ/ লিঙ্গ অনিধর্ারিত ; (সূত্র 87895)
Occurs in shallow coral and coral rubble areas at depths of 1 to 40 m (Ref. 81254), coral reefs and sandy areas (Ref. 129602). A generalist herbivore displaying nocturnal feeding behavior (Ref. 81254). Known to graze (Also Ref. 129602) on organic material and adults may also feed on live hard corals. Sometimes associated with commensal shrimp Stegopontonia commensalis (Ref. 800). Commonly found with Diadema spp. Bioeroder. Feeds on small and turf algae over hard substrates (Ref. 129602).
Life cycle and mating behavior
পরিপক্কতা | প্রজনন | ডিম ছাড়া | Eggs | ডিম্বধারন ক্ষমতা | Larvae
Members of the class Echinoidea are gonochoric. Fertilization is external. Brooding is common, eggs are held either on the peristome, around the periproct or deep into the concavities on the petaloids. Life cycle: Embryos develop into planktotrophic larvae (echinoplateus) and live for several months before they sink to the bottom using their tube feet to adhere on the ground where they metamorphose into young urchins.
Schoppe, S. 2000 A guide to common shallow water sea stars, brittle stars, sea urchins, sea cucumbers and feather stars (echinoderms) of the Philippines. Times Media Private Limited, Singapore. 144 p. (সূত্র 800)
IUCN Red List Status
(সূত্র 130435: Version 2025-1)
CITES status (সূত্র 108899)
Not Evaluated
Not Evaluated
Threat to humans
Human uses
মৎস্য: বাণিজ্যিক
| FishSource | আমাদের চতুর্পাশ্বের সাগর
হাতিয়ার
আরো তথ্য
Population dynamicsবৃদ্ধিMax. ages / sizesLength-weight rel.Length-length rel.Length-frequenciesMass conversionপ্রাচুর্য Life cycleপ্রজনন পরিপক্কতা ডিম্বধারন ক্ষমতা ডিম ছাড়া EggsEgg developmentLarvae Physiologyঅম্লজান ব্যবহার
Human RelatedStamps, coins, misc.
ইন্টারনেট সুত্র
Estimates based on models
Preferred temperature
(Ref.
115969): 24.7 - 28.9, mean 27.5 (based on 362 cells).
Fishing Vulnerability
Low vulnerability (10 of 100).
Price category
Unknown.
Nutrients : Calcium = 126 [75, 177] mg/100g; Iron = 5.08 [1.67, 7.92] mg/100g; Protein = 12%; Omega3 = 0.331 [0.263, 0.400] g/100g; Selenium = 0.04 [48.48, 67.17] μg/100g; VitaminA = 0 μg/100g; Zinc = 1.97 [0.92, 3.02] mg/100g (wet weight); based on
nutrient studies.
