A white yak sits on the lakeside of Namtso on May 19, 2024 in Lhasa, Xizang Autonomous Region of China. As temperature rises and ice melts, Lake Namtso is entering its tourism season. An event celebrating the melting of frozen water of Lake Namtso is held on May 19. (Photo by Jin Wei/VCG via Getty Images)

A woman jumps over a fire during the celebration of the summer solstice at a festival in the village of Okunevo in Omsk region, Russia on June 22, 2025. (Photo by Alexey Malgavko/Reuters)

A Nihang Sikh, belonging to the Sikh warrior clan, performs Gatka, a form of Sikh martial arts, during a religious procession marking the 350th martyrdom anniversary of Guru Tegh Bahadur Ji in New Delhi, India, 25 November 2025. The procession commemorates the martyrdom of the 9th Sikh Guru, Sri Guru Tegh Bahadur Ji, who was executed in 1675 AD for refusing to convert to Islam on the orders of Mughal Emperor Aurangzeb. The event is observed at Gurudwara Sis Ganj in Delhi. Guru Tegh Bahadur, the youngest of the five sons of Guru Hargobind, was born in Amritsar in 1621. (Photo by Rajat Gupta/EPA)

Runner-up; Hon Yen marine ecosystem. Phu Yen, Vietnam. Every year between May and August, the coral of this rich and diverse ecosystem becomes exposed at low tide. (Photo by Truong Hoai Vu/Royal Society of Biology Photography Competition)

An orange oakleaf rests on a plant at the Taipei Zoo on November 26, 2020. (Photo by Sam Yeh/AFP Photo)

Rays of the misty sunrise swathe Christ Church in the village of Brockham in Surrey, UK on September 29, 2025. Colder temperatures are expected in the early part of the day with mist and fog clearing later in the south. (Photo by Peter Macdiarmid/The Times)

A barking-mad designer, Leah Workman, has launched a range of wigs that turn pets into pop princesses including Katy Perry, Lady Gaga, and even Marilyn Monroe. Photo: Lady Gaga wig. (Photo by Cushzilla/BNPS)

“Amphilophus citrinellus is a large cichlid fish endemic to the San Juan River and adjacent watersheds in Costa Rica and Nicaragua. In the aquarium trade A. citrinellus is often sold under the trade name of Midas cichlid. A. citrinellus are omnivorous and their diet consists of plant material, molluscs and smaller fish”. – Wikipedia

Photo: Two Midas Cichlid (lat: amphilophus citrinellus) fish are seen in an aquarium at Hellabrunn zoo on December 23, 2009 in Munich, Germany. (Photo by Alexandra Beier/Getty Images)