Gastropoda |
Anaspidea |
Notarchidae
पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
Benthic; गहराई सीमा 0 - 30 m (संदर्भ 7727). Tropical; 15°C - 30°C (संदर्भ 81113)
Circumglobal tropical, temperate seas and the Mediterranean Sea.
प्रथम परिपक्वता पर लंबाई / आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm Max length : 25.0 cm TL पुल्लिंग / अलिंग; (संदर्भ 81112)
This is a medium- to large-sized benthic opisthobranch mollusc. The body is variably colored, grayish-green to white-tan with dark brown blotches and spots, compact and rounded, with distinct head and neck regions evident. The body is also covered with numerous long, branching fleshy papillae that give the animal its ragged appearance. The gill is covered by a pair of fleshy parapodia. Two long retractile olfactory tentacles called rhinophores occur on the head, and also two fleshy enrolled oral tentacles occur at each side of the mouth. Adults completely lack a shell.
Assumed maximum length from Ref. 844. Commonly found in estuaries and tidal swimming pools (Ref. 866). Known from depths of 0 to 30 m (Ref. 7727). It is known to secrete purple ink which is produced from the purple gland, speculated to be a defensive decoy (Ref. 81111). The ink may also be a metabolic by-product in response to eating algae, particularly red algae, as observed with the species under the genus Aplysia (Ref. 81114). Primarily feeds on cyanophytes and diatom mats and films found on sand, mud and other benthic substrata; facultatively it consumes Ectocarpus and Enteromorpha spp. (Ref. 81111).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
This is a cross-fertilizing simultaneous hermaphrodite. This is done through internal fertilization wherein one individual transfers its sperm by its eversible penis on the right side of the head to the gonopore of the other individual on the dorsal side. It then lays spaghetti-like benthic egg masses in orange, yellow, green, or brown colors. This is comprised of capsules that contains 1 to 20 eggs. Sexual maturity is attained at the age of 2 to 3 months. Reproductive season is still undefined (Ref. 125338). Come inshore during March and April to lay its eggs. Copulation goes from several hours to several days. Once the eggs are laid, the adults return to shallow waters to die (Ref. 125338).
Burn, R. 2006 A checklist and bibliography of the Opisthobranchia (Mollusca: Gastropoda) of Victoria and the Bass Strait, southeastern Australia. Museum Victoria Science Reports 10:1-42. (संदर्भ 7727)
आईयूसीएन रेड लिस्ट स्थिति
(संदर्भ 130435: Version 2025-2 (Global))
CITES स्थिति (संदर्भ 108899)
Not Evaluated
CMS (संदर्भ 116361)
Not Evaluated
मनुष्यों के लिए ख़तरा
मानव उपयोग
FAO - Publication: search | FishSource |
साधन
अधिक जानकारी
जनसंख्या गतिशीलताबाढ़अधिकतम आयु/आकारलंबाई-वजन संबंधलंबाई-लंबाई संबंधलंबाई-आवृत्तियाँसामूहिक रूपांतरणबहुतायत जीवन चक्रपुनरुत्पत्तिपरिपक्व अवधिउपजाऊपनमछलीऔ का अंडे देनाअंडेअंडे का विकासलार्वा फिजियोलॉजीप्राणवायु की खपत
मानव संबंधीटिकट, सिक्के, विविध.
इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
मछली पकड़ने की भेद्यता
(संदर्भ 71543) |
Low vulnerability (15 of 100). |
मूल्य श्रेणी
(संदर्भ 80766): |
Unknown. |
