Cephalopoda | 
Octopoda | 
Octopodidae
			
			
			
				Environment: milieu / climate zone / Mức độ sâu / distribution range				
				
					Sinh thái học				
				
			
			
				Cùng sống ở rạn san hô;  Mức độ sâu 0 - 150 m (Tài liệu tham khảo 113260).  Tropical; 33°N -   36°S, 30°E -   134°W (Tài liệu tham khảo 275)			
			
			
				
			
			
			
				Indo-Pacific:  from eastern Africa to Hawaiian Islands.
			
			
			
			
			
				Length at first maturity / Bộ gần gũi / Weight / Age
			
			
				Chín muồi sinh dục: Lm ?, range 8 - ? cm Max length : 22.0 cm ML con đực/không giới tính; (Tài liệu tham khảo 122030); Khối lượng cực đại được công bố: 6.0 kg (Tài liệu tham khảo 81543)			
			
			
						
			
			
			
			
				
					Shallow-water benthic species inhabiting coral reefs and found in a variety of substrata (Ref. 81543).  Occupies lairs in coral bedrock, live and dead coral heads and excavations in sand and rubble (Ref. 96968).  In naturally-occurring holes on rocks or dens (Ref. 81543).  Males and females can occupy adjacent dens (Ref. 96968).  Juveniles rapidly form homes and defend these against conspecifics (Ref. 105171).  Opportunistic predator that predominantly uses tactile foraging methods (Ref. 81543).  Reported to pounce and capture crabs.  Another feeding strategy involves speculative hunting where an individual uses its interbrachial web to cover and explore with the tips of its arms the coral heads, rocks or clumps of algae (Ref. 105172).   Feeds primarily on bivalves, gastropods and xanthid crabs.  Employs crypsis in reaction to threat  (Ref. 81543).  Exhibits diurnal activity (Ref. 105171).  Day-active species with higher activity peaks at dusk and dawn (Ref. 96968).				
			
			
			
			
			
			
				
					Members of the class Cephalopoda are gonochoric.  Male and female adults usually die shortly after spawning and brooding, respectively.  Mating behavior:  Males perform various displays to attract potential females for copulation.  During copulation, male grasp the female and inserts the hectocotylus into the female's mantle cavity where fertilization usually occurs.  Life cycle:  Embryos hatch into planktonic stage and live for some time before they grow larger and take up a benthic existence as adults.				
			
			
			
			
			
				Roper, C.F.E., M.J. Sweeney and C.E. Nauen 1984 FAO Species Catalogue. Vol. 3. Cephalopods of the world. An annotated and illustrated catalogue of species of interest to fisheries. FAO Fish. Synop. 125(3):277p. Rome: FAO. (Tài liệu tham khảo 275)
			
			
			
			
			
			
			
					
						IUCN Red List Status    
						 (Tài liệu tham khảo 130435: Version 2025-1)
					
					
					
				
			
			
			
			
				CITES status   (Tài liệu tham khảo 108899)
			
			
				
					Not Evaluated				
			
			
			
			
			
				CMS (Tài liệu tham khảo 116361)
			
			
				
					Not Evaluated				
			
			
			
			
			
				Threat to humans  
			
			
				
									
			
			
			
			
			
			
			
			
				Human uses  
			
			
				Các nghề cá: Tính thương mại			
			
			
				 | FishSource | Biển chung quanh ta			
			
			
			
			
			
Các công cụ
			
			
			
			
				
					Thêm thông tin				
				
					 PhysiologyThành phần ô-xy
  Human RelatedStamps, coins, misc.
  
			 
			
			
			
				Các nguồn internet
			
			
			
			
			
				Estimates based on models
			
			
			
									
						Preferred temperature  					
				 (Ref. 
115969): 24.7 - 29.1, mean 28.1 (based on 1652 cells).			
 
			
			
			
			
			
							
					 Prior r = 0.49, 95% CL = 0.33 - 0.74, Based on 2 data-limited stock assessments.				
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (12 of 100).					
				
						
						
			
			
			
				Nutrients  :  Calcium = 126 [75, 177]  mg/100g; Iron = 4.79 [1.67, 7.92]  mg/100g; Protein = 15.5 [13.7, 17.4] %; Omega3 = 0.414 [0.262, 0.566]  g/100g; Selenium = 57.8 [48.5, 67.2]  μg/100g; VitaminA = 0 μg/100g; Zinc = 1.97 [0.92, 3.02]  mg/100g (wet weight); based on 
nutrient studies.