Results

Click a row for more details

Property Organism Value Units ID Details
Size of spider web (largest known) Bark spider Caerostris darwini 900 to 28,000 Cm^2 106968 Matjaž Kuntner & Ingi...
Length of spider web (largest known) Bark spider Caerostris darwini 25 meters 116184 Mammola S, Michalik P...
Strength of strongest spider silk Bark spider Caerostris darwini maximum 520: average 350 MJ/m^3 116186 Mammola S, Michalik P...
Oldest fossil spider in amber Spider 125 – 135 Million years ago 116056 Mammola S, Michalik P...
Age of oldest fossil spider Spider ∼300 Million years ago 116055 Mammola S, Michalik P...
Longest observed mating of any spider Spider (family Linyphiids) Troglohyphantes sp. >18 hours 116210 Mammola S, Michalik P...
Fraction of cephalothorax volume that is occupied by the relatively large CNS (central nervous system) of very small spiders Spider ≤78 % of cephalothorax volume 116182 Mammola S, Michalik P...
Mass of prey consumed by the global spider community annually Spider 400 - 800 million tons of prey annually 116054 Mammola S, Michalik P...
Life expectancy of longest-lived spider Spider family Theraphosidae >30 years 116188 Mammola S, Michalik P...
Body length of the smallest known female spider Spider Anapistula ataecina 0.43 mm 116059 Mammola S, Michalik P...
Leg span of the largest known spider by leg span Spider Heteropoda maxima ≤30 cm 116058 Mammola S, Michalik P...
Fraction of energy needed to recycle web out of that needed to rebuild web from the beginning Spider 3.8 % 114027 Mustafa Özilgen, Review...
Extant taxa Spider ~47,000 species: 4,072 genera: 112 families N/A 116053 Mammola S, Michalik P...
Ejection velocity of zig-zagged silken mixture of glue and venom (to tether prey at a distance) Spitting spider Scytodes thoracica ≤28.8 m/s 116192 Mammola S, Michalik P...
Survival time of tide-induced submergence (under water) Spider (family Desidae) Desis marina ≤19 days 116212 Mammola S, Michalik P...
Enlarged posterior median eyes are more sensitive to light than human eyes by Spider, family Deinopidae, Deinopis spp. 2000 times more sensitive to light than human eyes 116187 Mammola S, Michalik P...
Speed of the power-amplified predatory strike and power output released Spider (family Mecysmaucheniidae) Zearchaea sp. speed 0.00012 sec: power output released 60,000 W/kg N/A 116209 Mammola S, Michalik P...
Females are heavier than mating males in most extremely size dimorphic spider by Golden orb-weaving spiders (Araneidae) ≤125 times heavier than mating males 116060 Mammola S, Michalik P...
Dimensions of venom gland of largest venom glands in all spiders Spider (family Ctenidae) genus Phoneutria ≤10.4 × 2.7 mm mm 116183 Mammola S, Michalik P...
Dimensions of photoreceptors of eye in spiders with largest eyes Net-casting spiders, family Deinopidae width 20: length 110 µm 116181 Mammola S, Michalik P...