Pycnogonida |
Pantopoda |
Colossendeidae
Environment: milieu / climate zone / गहराई सीमा / distribution range
पारिस्थितिकी
बैथीपिलाजिक; गहराई सीमा 52 - 4306 m (संदर्भ 1844). Polar
Eastern Atlantic and Indo-Pacific: Tonga, Melanesia and Pan oceanic.
Length at first maturity / आकार / Weight / Age
परिपक्व अवधि: Lm ? range ? - ? cm
Proboscis very long, swollen proximal to including midpoint, extremely slender (pipette-like) distal to swelling, upturned toward tip. Lateral processes short, well separated. Palps moderately short, little longer than proboscis, distal three segments subequal. Legs very slender, distal segments small, tarsus longer by 1.5 times than short propodus, claw tiny (Ref. 9); Proboscis very slender, medially swollen, tapering distally, slightly upturned (with variation in the low angle of upturn) and much longer than trunk. Palp segment 5 much longer than segment 3, sixth and seventh are subequal, distal 3 much shorter than sixth or seventh and subequal to each other. Legs very slender, tarsus about 1.4 to 2.0 times longer than propodus, terminal claw about half as long as propodus (Ref. 2153).
Bathyal to abyssal (Ref. 19).
Life cycle and mating behavior
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | Eggs | Fecundity | 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. 1998 The marine fauna of New Zealand: Pycnogonida (sea spiders). NIWA Biodiversity Memoire 109. National Institute of Water and Atmospheric Research (NIWA). Washington, D.C. 20530, USA. 71 p. + Figure 2A-G, 3A-F, 4, 5. (संदर्भ 9)
IUCN Red List Status
(संदर्भ 130435: Version 2025-1)
CITES status (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
Threat to humans
Human uses
| FishSource |
साधन
अधिक जानकारी
Trophic EcologyFood items (preys)
संघटक आहार
आहार खपत
परभक्षी
Population dynamicsबाढ़
Max. ages / sizes
Length-weight rel.
Length-length rel.
Length-frequencies
Mass conversion
बहुतायत
Life cycleपुनरुत्पत्तिपरिपक्व अवधिFecundityमछलीऔ का अंडे देनाEggsEgg developmentLarvae PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
इंटरनेट स्रोत
Estimates based on models
Preferred temperature
(Ref.
115969): 2.5 - 7.9, mean 4 (based on 2829 cells).
Price category
Unknown.
