Reptilia |
Squamata |
Iguanidae
Environment: milieu / climate zone / تغييرات عمق / distribution range
بوم شناسي
وابسته به آب سنگ; تغييرات عمق 0 - 12 m (مرجع 2658). Tropical; 10°C - 36°C (مرجع 2620); 1°N - 2°S, 92°W - 89°W
Southeast Pacific: Galapagos Islands. IUCN: Amblyrhynchus cristatus albemarlensis, Vu B2ab(iii)c(iv); Amblyrhynchus cristatus hassi, Vu B2ac(iv); Amblyrhynchus cristatus mertensi, En A2ce; C2b; Amblyrhynchus cristatus nanus, En A2b; Amblyrhynchus cristatus sielmanni, Vu B2ac(iv); and Amblyrhynchus cristatus venustissimus, Vu B2ac(iv) (Ref. 89710).
Length at first maturity / Size / Weight / سن
بلوغ: Lm ? range ? - ? cm Max length : 130 cm TL جنس نر / بدون خواص جنسي; (مرجع 2621); 60 cm TL (female); بيشينه وزن گزارش شده: 1.5 kg (مرجع 2621)
Weight ranges from 500 to 1,500 g (Ref. 2621). Ectothermic (Ref. 2648). Prefers temperatures between 35° to 37°C (Ref. 2659). Lives in colonies where shallow reefs occur with extensive intertidal zone and rocky coastline with 2 to 5 m above sea level. Lays eggs in softer substrates (Ref. 2623). Sleeps on the coastline or up on mangrove trees. Exhibits subtidal and intertidal feeding (Ref. 2650). Naturally dives at depths 1.5 to 5 m for 5 to 10 minutes (Ref. 2656) but can descend to 12 m for about 30 minutes (Ref. 2658).
Life cycle and mating behavior
بلوغ | تولید مثل | تخم ریزی | Eggs | Fecundity | Larvae
Exhibits lekking during mating season (Ref. 2652). Nesting season is from January to February. Males defend mating territories for 3 months during annual breeding season. Females lay up to 6 eggs in burrows 30 to 80 cm deep in sand or volcanic ash (Ref. 2661). Embryo development takes place at temperatures from 28° to 30°C (Ref. 2659).
مآخذ اصلی
مراجع | هماهنگ كننده | همكاران
Roy, K. 2000 Amblyrhynchus cristatus. Animal Diversity Web. http://animaldiversity.ummz.umich.edu/site/accounts/information/Amblyrhynchus_cristatus.html. [Accessed 30/01/07]. (مرجع 2618)
وضعيت در فهرست قرمز IUCN
(مرجع 130435: Version 2025-1)
وضعيت از نظر سايتس (مرجع 108899)
Not Evaluated
خطر برای انسان ها
استفاده انسانی
| FishSource |
ابزارها
اطلاعات بيشتر
PhysiologyOxygen consumption
Human RelatedStamps, coins, misc.
منابع اينترنتي
Estimates based on models
Preferred temperature
(Ref.
115969): 23.5 - 24.6, mean 23.7 (based on 16 cells).
جهندگی
زياد, كمينه زمان لازم براي دو برابر شدن جمعيت ، كمتر از 15 ماه (K=0.74-1.52; tm=5.5).
Fishing Vulnerability
Moderate to high vulnerability (50 of 100).
طبقه قيمت
Unknown.
