A ray-finned bony fish in the order Anguilliformes and family Anguillidae.
European eel
Anguilla anguilla
The dorsal, caudal and anal fins form a continuous strip; pelvic fins are absent.
Open profileFrom behaviour to conservation
Animales
Identify species, understand how they live and discover the relationships connecting each animal to its environment.
08
Profiles to begin with
Identify and understand
Essential information first; context, relationships and sources when you want to go deeper.
An araneomorph spider in the family Araneidae, within the order Araneae.
Araneus diadematus
Araneus diadematus
Abdomen with pale cross-shaped markings and a silk orb web.
Open profileTerrestrial crustacean in the order Isopoda and the family Armadillidiidae.
Armadillidium vulgare
Armadillidium vulgare
Gray, segmented body with plates that can roll into a ball when disturbed.
Open profileAn echinoderm in the class Asteroidea.
Common starfish
Asterias rubens
It can shed arms through defensive autotomy; mutable collagenous tissue is involved at the separation site.
Open profileActinopterygian fish of the order Salmoniformes and family Salmonidae.
Brown trout
Salmo trutta
Spindle-shaped body; brown or olive back, dark and reddish spots on the head and flanks, and a light-colored belly.
Open profileAmphibian.
Bufo bufo
Bufo bufo
In the specimens investigated in Switzerland, BfHV1 was associated with proliferative dermatitis; molecular testing also detected it in some individuals without lesions visible to the naked eye.
Open profileMalacostracan crustacean of the order Decapoda.
Carcinus maenas
Carcinus maenas
It has a carapace wider than it is long, five spines on each side of the front edge beside the eyes, and claws on the first pair of legs.
Open profileA hymenopteran insect in the family Apidae; it is a eusocial bumblebee.
Common bumblebee
Bombus terrestris
Body with black hairs, yellow bands on the pronotum and second abdominal segment, and white to beige hairs on the terminal segments.
Open profileReptile; snake.
Common grass snake
Natrix natrix
Colour varies between individuals and populations.
Open profileA mollusk in the class Cephalopoda and the order Octopoda.
Common octopus
Octopus vulgaris
It has eight arms with suckers, a beak, and a radula; it can rapidly change the color of its skin.
Open profileA squamate reptile in the family Lacertidae, within the genus Podarcis.
Common wall lizard
Podarcis muralis
It has variable dorsal coloration, often with black dots and dark lateral bands; the throat has a black reticulated pattern and the belly may be whitish or reddish.
Open profileGastropod mollusk, family Hygromiidae, order Stylommatophora.
Cryptosaccus asturiensis
Cryptosaccus asturiensis
Endemic to the Iberian Peninsula; documented in the Ubiñense-Picoeuropeano sector (Somiedo valley to Picos albos).
Open profileIt belongs to the order Passeriformes and the family Estrildidae.
Dusky crimsonwing
Cryptospiza jacksoni
It is endemic to the Albertine Rift.
Open profileIt belongs to the genus *Cryptospiza*, which includes four species of estrildids.
Red-faced crimsonwing
Cryptospiza reichenovii
Males defend territories of approximately 0.8 hectares and are aggressive towards unfamiliar conspecifics.
Open profileAraneomorph spider of the family Zodariidae.
Cryptothele alluaudi
Cryptothele alluaudi
It has a pattern on the carapace and very little soil camouflage on the body.
Open profileIt belongs to the *Cryptotis nigrescens* group within the genus *Cryptotis*.
Eastern Cordillera small-footed shrew
Cryptotis brachyonyx
It is characterized by short claws on the forelimbs, the feature that gives it its specific name.
Open profileOrder Eulipotyphla, Family Soricidae, Genus Cryptotis.
Enders's small-eared shrew
Cryptotis endersi
Head and body length of 81 mm, tail of 49 mm and hind foot of 15 mm (based on a single specimen).
Open profileMammal of the family Soricidae
Goldman's broad-clawed shrew
Cryptotis goldmani
Shrew of the family Soricidae endemic to southern Mexico and Guatemala, described by Merriam in 1895.
Open profileMarine bony fish of the family Scaridae.
Cryptotomus roseus
Cryptotomus roseus
Elongated body, incomplete beak, and nocturnal burrowing behavior.
Open profileBony fish (Actinopterygii) of the family Balitoridae.
Waterfall climbing cave fish
Cryptotora thamicola
Walks with a diagonal-couplets lateral sequence gait, similar to that of tetrapods.
Open profileFish of the family Labrisomidae
Cryptotrema seftoni
Cryptotrema seftoni
Habitat in rocky reefs at depths greater than 28 meters
Open profileSalamander of the family Plethodontidae, order Caudata (Urodela).
Álvarez del Toro's hidden salamander
Cryptotriton alvarezdeltoroi
Endemic to the sierras of northern Chiapas, Mexico, near Tapilula and Jitotol.
Open profileAn amphibian of the order Caudata and the family Plethodontidae.
Cortes salamander
Cryptotriton nasalis
Small salamander; reported snout–vent length is 24–32 mm in males and 28–35 mm in adult females.
Open profileSalamander of the family Plethodontidae.
Sierra de las Minas hidden salamander
Cryptotriton sierraminensis
Endemic to the Sierra de las Minas, Guatemala.
Open profileFamily Plethodontidae
Baja Verapaz salamander
Cryptotriton veraepacis
Total length of the holotype male: 68.0 mm
Open profileIt belongs to the family Liolaemidae and is the only species of the genus *Ctenoblepharys*.
Ctenoblepharys adspersa
Ctenoblepharys adspersa
It is an oviparous lizard that digs burrows up to one meter in length.
Open profileCtenophorus adelaidensis
Ctenophorus adelaidensis
*Ctenophorus adelaidensis*, known as the western scrub dragon, is an agamid lizard that inhabits sandy plains with scrub and *Banksia* along the lower west coast of Australia, between Kalbarri and Perth.
Open profileCrustacean.
European lobster
Homarus gammarus
Large, slightly unequal claws; slightly granular body without large spines or ridges.
Open profileA passerine bird in the family Muscicapidae.
European Robin
Erithacus rubecula
Adults have a brown back, whitish underside, and reddish face and breast; juveniles are mottled and lack the red breast.
Open profileGastropod mollusc.
Garden snail
Cornu aspersum
A snail with a rounded shell and a variable pattern of brown bands and mottling.
Open profileA squamate reptile in the family Lacertidae.
Sand lizard
Lacerta agilis
Coloration and pattern vary; dark spots with pale centers are common, and males have green flanks during the breeding season.
Open profileAn oligochaete annelid in the family Lumbricidae.
Lumbricus terrestris
Lumbricus terrestris
A reddish-brown segmented body, with up to about 150 rings and a clitellum between segments 32 and 37.
Open profileA passerine bird in the family Paridae.
Great tit
Parus major
Contrasting plumage: black head, white cheeks, yellow breast with a black band, and olive-green back; the band is usually broader in males.
Open profileA spider of the order Araneae and the family Pholcidae.
Pholcus phalangioides
Pholcus phalangioides
It has eight eyes; its body is pale and almost translucent, and its legs are usually five to six times the length of its body.
Open profileAn amphibian; it is a frog in the family Ranidae.
Common frog
Rana temporaria
It has a compact body without an adult tail, a broad head and powerful hind legs for jumping and swimming.
Open profileA urodele amphibian in the family Salamandridae.
Fire salamander
Salamandra salamandra
The black pattern with yellow or orange markings is highly variable; the parotoid glands are visible, and the body lacks dorsal and caudal crests.
Open profileCarnivorous mammal in the family Canidae.
Red fox
Vulpes vulpes
A slender canid with an elongated muzzle, a long, bushy tail, and variably colored fur.
Open profileRelated reading
Stories about animales
Documentary photograph
Photo by
Alvesgaspar
Source: Wikimedia Commons
CC BY-SA 3.0
resized and converted to WebP
Relationships between species · 3 min
The invisible conversation between flowers, insects and birds
Nectar, pollen, fruit and seeds connect stories that at first seem independent.
Documentary photograph
Photo by
cottonbro studio
Source: Pexels
Pexels License
resized and converted to WebP
Life near you · 3 min
How to start a field notebook in your neighbourhood
A date, a place, some context and one simple question are enough to begin seeing differently.