Pycnogonida | 
Pantopoda | 
Ammotheidae
			
			
			
				Environment: milieu / climate zone / Mức độ sâu / distribution range				
				
					Sinh thái học				
				
			
			
				.  Tropical			
			
			
				
			
			
			
				Pacific and Arctic Oceans:  Alaska, Japan and USA.
			
			
			
			
			
				Length at first maturity / Bộ gần gũi / Weight / Age
			
			
				Chín muồi sinh dục: Lm ?  range ? - ? cm Max length : 0.2 cm TRKL con đực/không giới tính; (Tài liệu tham khảo 2153)			
			
			
							
				
				
					
						Tiny species, trunk only about 2 mm long, circular in dorsal aspect, lateral processes contiguous with cephalic segment extending slightly beyond circle, ocular tubercle a low cone.   Proboscis long, tapering to rounded mouth.   Chelifore scapes short, chelae atrophied.   Palps very short, 7-segmented.   Legs short, robust, with heavily setose integument, femora inflated, larger in females than males.   Male second coxae with ventrodistal sexual spur and femora with dorsodistal tubercle.   Ovigers and terminal leg segments typical for genus (Ref. 2153, p. 14).					
				
				
						
			
			
			
			
				
					Shelf (Ref. 19).  Recorded from many octocoral species (Ref. 121217).				
			
			
			
			
			
				Life cycle and mating behavior				
					Chín muồi sinh dục | Sự tái sinh sản | Đẻ trứng | Eggs | Sự sinh sản | Larvae				
			
			
				
					Members of the class Pycnogonida are gonochoric and sexually dimorphic.  During copulation, male usually suspends itself beneath the female.  Fertilization occurs as the eggs leave the female's ovigers.  Males brood the egg masses until they hatch.  Life cycle:  Eggs hatch into protonymphon larva then to adults.				
			
			
			
			
			
				Child, C.A. 1996 The Pycnogonida types of William A. Hilton. II. The remaining undescribed species. Proceedings of the Biological Society of Washington 109(4):677-686. (Tài liệu tham khảo 2117)
			
			
			
			
			
			
			
					
						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  
			
			
							
			
			
				 | FishSource | 			
			
			
			
			
			
Các công cụ
			
			
			
			
				
					Thêm thông tin				
				
					 Sinh thái dinh dưỡngFood items (preys)
Thành phần thức ăn
Thành phần thức ăn
Các động vật ăn mồi
  Population dynamicsSự sinh trưởng
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
Sự phong phú
  Life cycleSự tái sinh sảnChín muồi sinh dụcSự sinh sảnĐẻ trứngEggsEgg developmentLarvae   PhysiologyThành phần ô-xy
  Human RelatedStamps, coins, misc.
  				 
			 
			
			
			
				Các nguồn internet
			
			
			
			
			
				Estimates based on models
			
			
			
							
			
			
			
			
			
						
							
				
					
						Fishing Vulnerability  					
					
					
						Low vulnerability (10 of 100).					
				
						
						
			
									
						Price category  					
					
					Unknown.