The blue lyretail, also known as the Gardner's killi and formerly as the steel-blue aphyosemion, is a species of killifish. #FishFriday

Nuphar pumila, the least water-lily, is a perennial, rhizomatous, aquatic herb in the family Nymphaeaceae native to subarctic and temperate Eurasia.

A longnose batfish (Ogcocephalus corniger) 🐠 Photo by Betty Wills (Atsme) (CC BY-SA 4.0 license; no changes made).

Botrychium boreale, commonly called northern moonwort, is a species of fern in the family Ophioglossaceae.

The striped killifish, also called the striped mummichog, is a North American species of fundulid killifish.

Ansonia mcgregori is a species of toad in the family Bufonidae.

The radiated tortoise is a tortoise species in the family Testudinidae.

Mnium stellare, the starry thyme-moss or stellar calcareous moss, is a moss species in the genus Mnium.

The Burmese flapshell turtle, is a species in the family Trionychidae. #TurtleThursday

The Gulf killifish is one of the largest members of the genus Fundulus; it is capable of growing up to 7 inches (18 cm) in length, whereas the majority of other Fundulus reach a maximum length of 4 inches (10 cm).

The Canal Zone tree frog is a species of frog in the family Hylidae found in the Caribbean lowlands of eastern Nicaragua, Costa Rica, and central Panama, as well as the Pacific lowlands of Colombia, although the latter records are uncertain and may refer to Boana rosenbergi.

Sceptridium jenmanii, the Alabama grapefern or Dixie grapefern, is a species of fern in the Ophioglossaceae native to the southeastern United States.

Fritziana fissilis is a species of frogs in the family Hemiphractidae.

The Indian tent turtle, or Indian gamp turtle, is a species of turtle in the family Geoemydidae.

The Jalisco mud turtle is a species of mud turtle in the Kinosternidae family endemic to Mexico.

Calliergon giganteum, the giant spearmoss, giant calliergon moss, or arctic moss, is an aquatic plant found on lake beds in tundra regions.

A bumblebee goby (Brachygobius doriae) in an aquarium. 🐠 Photo by Sven Kullander (CC BY-SA 4.0 license; no changes made).

Botrychium pallidum, the pale moonwort, is a species of segregate fern in the Ophioglossaceae family.

The false gharial, also known by the names Malayan gharial, Sunda gharial and tomistoma, is a freshwater crocodilian of the family Gavialidae native to Peninsular Malaysia, Borneo, Sumatra and Java.

The blue notho, or Patrizi's notho is a species of killifish in the family Nothobranchiidae.

Salminus brasiliensis, also known as the golden dorado, dorado, river tiger, dourado, or jaw characin, is a large, predatory characiform freshwater fish found in central and east-central South America.

The salt and pepper catfish, or dwarf cory, is a species of freshwater ray-finned fish belonging to the subfamily Corydoradinae, the corys, of the family Callichthyidae, the armored catfishes.

Nuphar microphylla is a perennial, rhizomatous, aquatic herb found in North America.

The Balkan terrapin or western Caspian terrapin is a species of terrapin in the family Geoemydidae. #TurtleTuesday

The saddle-backed Mauritius giant tortoise is an extinct species of giant tortoise in the family Testudinidae.

Thoracocharax stellatus, the silver hatchetfish, spotfin hatchetfish, spotted hatchetfish or platinum hatchetfish, is a species of freshwater ray-finned fish belonging to the family Gasteropelecidae, the freshwater hatchet fishes.

D'Orbigny's slider or the black-bellied slider, commonly known in Brazil as tartaruga-tigre or tartaruga-tigre-d'água, is a species of water turtle in the family Emydidae.

Citharinus citharus, commonly called moonfish or mleke, is a species of lutefish from tropical Africa.

A rainbow shiner (Notropis chrosomus) at the Wilhelma Zoo and Botanical Garden. 🐠 Photo by H. Zell (CC BY-SA 3.0 license; no changes made).

The green swordtail is a species of freshwater/brackish fish in family Poeciliidae of order Cyprinodontiformes.

The dusky millions fish,, also known as the caudo, the leopardfish or the one-spot livebearer, is a species of fish native eastern and southern Brazil, northern Argentina, Uruguay and Paraguay.

Hoge's sideneck turtle (Ranacephala hogei) is a species of turtle in the family Chelidae.

A female marbled rock crab (Pachygrapsus marmoratus). 🦀 Photo by George Chernilevsky (Public Domain license; no changes made).

The European pond turtle, also called commonly the European pond terrapin and the European pond tortoise, is a species of long-living freshwater turtle in the family Emydidae.

Pyrrhulina australis is a species of freshwater ray-finned fish belonging to the family Lebiasinidae, which includes the pencilfishes, splash tetras and related fishes.

The serrated tortoise German: Kalahari-Strahlenschildkröte is a species of tortoise that occurs in the Kalahari Desert regions of southern Africa.

Dendropsophus sarayacuensis, Shreve's Sarayacu treefrog or the clown tree frog, is a species of frog in the family Hylidae.

The Caspian turtle, also known as the striped-neck terrapin, is a species of turtle in the family Geoemydidae (=Bataguridae).

Amolops larutensis is a species of frog in the family Ranidae that is found in the Malay Peninsula from southernmost Thailand to Malaysia; records further north probably represent A.

Pristimantis medemi is a species of frog in the family Strabomantidae.

The Chaco side-necked turtle is a species of turtle in the family Chelidae.

Nuphar advena is a species of Nuphar native throughout the eastern United States and in some parts of Canada, as well as Mexico and Cuba.

Leptodactylus natalensis is a species of frog in the family Leptodactylidae.

The redeye tetra is a species of freshwater ray-finned fish belonging to the family Acestrorhamphidae, the American characins.

Characidium declivirostre is a fish in the family Crenuchidae.

Campylomormyrus numenius, is a species of electric fish in the family Mormyridae, found in Africa: in the Pool Malebo, in the middle Congo River and its northern tributaries, and in the Lualaba, in the Democratic Republic of the Congo.

A leopard shark (Triakis semifasciata) and two blacksmith damselfish (Chromis punctipinnis) at the Scripps Aquarium. 🦈 Photo by Matthew Field (CC BY-SA 3.0 license; no changes made).

Nuphar sagittifolia, also known as Arrowleaf Pond-lily, Cape Fear spatterdock, or Narrow-leaved Spatterdock, is a perennial, rhizomatous, aquatic herb in the family Nymphaeaceae with unique narrowly lanceolate leaves known only from North Carolina, South Carolina, and Virginia.

Xiphophorus cortezi, the delicate swordtail, is a species of poeciliid fish from Mexico.

Hydrophylax bahuvistara, commonly known as the widespread fungoid frog, is a colourful frog found widespread in peninsular India, distributed in Maharashtra, Karnataka, Goa and Madhya Pradesh. #FrogFriday