| bangladesh | | clarias batrachus | species | 5 | 0 |
| bangladesh | | clarias gariepinus | species | 4 | 0 |
| bangladesh | chittagong division | clarias batrachus | species | 1 | 0 |
| bangladesh | khulna division | clarias batrachus | species | 0 | 1 |
| belgium | | clarias gariepinus | species | 1 | 0 |
| benin | alibori department | clarias gariepinus | species | 0 | 1 |
| benin | oueme department | clarias ebriensis | species | 0 | 1 |
| botswana | | clarias ngamensis | species | 1 | 0 |
| botswana | | clarias theodorae | species | 1 | 0 |
| botswana | southern district | clarias gariepinus | species | 0 | 1 |
| brunei | tutong district | clarias batrachus | species | 1 | 0 |
| cambodia | | clarias macrocephalus | species | 25 | 0 |
| central african republic | | clarias gariepinus | species | 1 | 0 |
| china | | clarias gariepinus | species | 5 | 0 |
| china | fujian | clarias fuscus | species | 1 | 0 |
| china | guangdong | clarias fuscus | species | 4 | 1 |
| china | guangxi | clarias fuscus | species | 3 | 1 |
| china | yunnan | clarias gariepinus | species | 1 | 0 |
| cuba | villa clara province | clarias gariepinus | species | 0 | 1 |
| democratic republic of the congo | | clarias buthupogon | species | 10 | 0 |
| democratic republic of the congo | | clarias buthupogon | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. angolensis b2_44_8506_j17 | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. angolensis b2_44_8535_j14 | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. angolensis b4-16_1771_f_17bcraa000_h3 | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. angolensis b4-16_1830_j | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. angolensis 'sole-shaped' | species | 1 | 0 |
| democratic republic of the congo | | clarias cf. pachynema 'long barbels' | species | 5 | 0 |
| democratic republic of the congo | | clarias cf. pachynema 'long barbels/pectorals' | species | 2 | 0 |
| democratic republic of the congo | | clarias dumerilii | species | 6 | 0 |
| democratic republic of the congo | | clarias gabonensis | species | 7 | 0 |
| democratic republic of the congo | | clarias gariepinus | species | 4 | 0 |
| democratic republic of the congo | | clarias liocephalus | species | 1 | 0 |
| democratic republic of the congo | | clarias platycephalus | species | 1 | 0 |
| democratic republic of the congo | | clarias sp. b4-16_1771_j | species | 1 | 0 |
| democratic republic of the congo | | clarias sp. ed-2015 | species | 1 | 0 |
| democratic republic of the congo | kinshasa city | clarias gariepinus | species | 24 | 0 |
| egypt | | clarias gariepinus | species | 6 | 0 |
| egypt | asyut governorate | clarias gariepinus | species | 0 | 1 |
| egypt | beni suef governorate | clarias gariepinus | species | 0 | 1 |
| egypt | cairo governorate | clarias gariepinus | species | 0 | 2 |
| egypt | giza governorate | clarias gariepinus | species | 0 | 1 |
| egypt | luxor governorate | clarias gariepinus | species | 5 | 0 |
| egypt | minya governorate | clarias gariepinus | species | 0 | 1 |
| egypt | port said governorate | clarias gariepinus | species | 157 | 0 |
| egypt | sohag governorate | clarias gariepinus | species | 0 | 1 |
| gabon | | clarias gabonensis | species | 1 | 0 |
| gabon | | clarias jaensis | species | 1 | 0 |
| gabon | | clarias pachynema | species | 1 | 0 |
| gabon | estuaire province | clarias camerunensis | species | 1 | 0 |
| gabon | estuaire province | clarias pachynema | species | 1 | 0 |
| gabon | estuaire province | clarias platycephalus | species | 1 | 0 |
| gabon | estuaire province | clarias submarginatus | species | 6 | 0 |
| gabon | woleu-ntem province | clarias jaensis | species | 2 | 0 |
| germany | mecklenburg-vorpommern | clarias gariepinus | species | 87 | 0 |
| hong kong | | clarias fuscus | species | 0 | 1 |
| hungary | | clarias gariepinus | species | 1 | 0 |
| india | | clarias batrachus | species | 115 | 0 |
| india | | clarias dussumieri | species | 13 | 0 |
| india | | clarias gariepinus | species | 27 | 0 |
| india | | clarias gariepinus x clarias batrachus | species | 7 | 0 |
| india | | clarias macrocephalus | species | 3 | 0 |
| india | | clarias magur | species | 1531 | 0 |
| india | | clarias sp. sm-2017 | species | 3 | 0 |
| india | andhra pradesh | clarias gariepinus | species | 1 | 0 |
| india | arunachal pradesh | clarias magur | species | 5 | 0 |
| india | assam | clarias batrachus | species | 1 | 0 |
| india | kerala | clarias dussumieri | species | 1 | 0 |
| india | madhya pradesh | clarias batrachus | species | 4 | 0 |
| india | maharashtra | clarias gariepinus | species | 2 | 0 |
| india | nagaland | clarias batrachus | species | 1 | 0 |
| india | national capital territory of delhi | clarias gariepinus | species | 0 | 2 |
| india | odisha | clarias batrachus | species | 0 | 1 |
| india | tripura | clarias batrachus | species | 0 | 1 |
| india | uttar pradesh | clarias batrachus | species | 0 | 1 |
| india | uttar pradesh | clarias gariepinus | species | 0 | 1 |
| india | west bengal | clarias batrachus | species | 3 | 0 |
| indonesia | | clarias batrachus | species | 10 | 0 |
| indonesia | | clarias gariepinus | species | 11 | 0 |
| indonesia | jambi province | clarias nieuhofii | species | 1 | 0 |
| indonesia | jambi province | clarias sp. 'maurus' | species | 17 | 0 |
| indonesia | jambi province | clarias sp. pl-2003 | species | 5 | 0 |
| indonesia | west java province | clarias gariepinus | species | 2 | 0 |
| kenya | | clarias gariepinus | species | 35 | 0 |
| kenya | | clarias liocephalus | species | 242 | 0 |
| kenya | central province | clarias gariepinus | species | 23 | 0 |
| kenya | coast province | clarias gariepinus | species | 32 | 0 |
| kenya | nyanza province | clarias gariepinus | species | 30 | 0 |
| kenya | nyanza province | clarias liocephalus | species | 21 | 0 |
| kenya | rift valley province | clarias gariepinus | species | 81 | 0 |
| kenya | western province | clarias gariepinus | species | 25 | 0 |
| laos | | clarias batrachus | species | 1 | 0 |
| malaysia | | clarias aff. batrachus tb2 | species | 2 | 0 |
| malaysia | | clarias batrachus | species | 3 | 0 |
| malaysia | | clarias gariepinus | species | 5 | 0 |
| malaysia | | clarias macrocephalus | species | 31 | 0 |
| malaysia | | clarias meladerma | species | 3 | 0 |
| malaysia | | clarias sp. j37 | species | 2 | 0 |
| malaysia | | clarias teijsmanni | species | 1 | 0 |
| malaysia | pulau pinang | clarias gariepinus | species | 1 | 1 |
| mauritania | adrar region | clarias anguillaris | species | 0 | 1 |
| myanmar | shan | clarias cf. batrachus 'inle' | species | 13 | 0 |
| myanmar | shan | clarias gariepinus | species | 2 | 0 |
| myanmar | yangon division | clarias batrachus | species | 1 | 0 |
| namibia | kunene region | clarias gariepinus | species | 2 | 0 |
| nigeria | | clarias gabonensis | species | 7 | 0 |
| nigeria | | clarias gariepinus | species | 21 | 0 |
| nigeria | anambra | clarias gabonensis | species | 1 | 0 |
| nigeria | cross river | clarias gariepinus | species | 0 | 2 |
| nigeria | delta | clarias gariepinus | species | 0 | 2 |
| nigeria | edo | clarias gariepinus | species | 0 | 1 |
| nigeria | lagos | clarias gariepinus | species | 0 | 2 |
| nigeria | lagos | clarias pachynema | species | 0 | 1 |
| nigeria | niger | clarias gariepinus | species | 0 | 1 |
| nigeria | ogun | clarias gariepinus | species | 0 | 2 |
| nigeria | ogun | clarias pachynema | species | 0 | 1 |
| nigeria | ondo | clarias gariepinus | species | 0 | 1 |
| nigeria | oyo | clarias gariepinus | species | 0 | 3 |
| nigeria | rivers | clarias gariepinus | species | 0 | 2 |
| north korea | | clarias gariepinus | species | 1 | 0 |
| philippines | | clarias batrachus | species | 8 | 0 |
| philippines | | clarias gariepinus | species | 8 | 0 |
| philippines | | clarias macrocephalus | species | 128 | 0 |
| philippines | autonomous region in muslim mindanao | clarias batrachus | species | 10 | 0 |
| philippines | autonomous region in muslim mindanao | clarias macrocephalus | species | 9 | 0 |
| philippines | bicol region | clarias batrachus | species | 7 | 0 |
| philippines | bicol region | clarias macrocephalus | species | 20 | 0 |
| philippines | cagayan valley region | clarias batrachus | species | 5 | 0 |
| philippines | cagayan valley region | clarias macrocephalus | species | 5 | 0 |
| philippines | calabarzon region | clarias batrachus | species | 4 | 0 |
| philippines | central luzon region | clarias batrachus | species | 5 | 0 |
| philippines | central luzon region | clarias gariepinus | species | 5 | 0 |
| poland | | clarias gariepinus | species | 1 | 0 |
| poland | | clarias macrocephalus | species | 2 | 0 |
| senegal | | clarias anguillaris | species | 1 | 0 |
| senegal | kedougou region | clarias anguillaris | species | 1 | 0 |
| singapore | | clarias batrachus | species | 0 | 1 |
| singapore | | clarias gariepinus | species | 0 | 1 |
| south africa | eastern cape province | clarias gariepinus | species | 0 | 1 |
| south africa | gauteng province | clarias gariepinus | species | 0 | 5 |
| south africa | kwazulu-natal province | clarias gariepinus | species | 9 | 0 |
| south africa | limpopo province | clarias gariepinus | species | 0 | 3 |
| south africa | mpumalanga province | clarias gariepinus | species | 0 | 1 |
| sudan | | clarias gariepinus | species | 8 | 0 |
| sudan | khartoum | clarias anguillaris | species | 1 | 0 |
| sudan | river nile | clarias gariepinus | species | 0 | 1 |
| syria | daraa governorate | clarias gariepinus | species | 1 | 0 |
| tanzania | kagera region | clarias alluaudi | species | 2 | 0 |
| tanzania | kagera region | clarias werneri | species | 1 | 0 |
| tanzania | morogoro region | clarias gariepinus | species | 0 | 2 |
| thailand | | clarias batrachus | species | 17 | 0 |
| thailand | | clarias gariepinus | species | 5 | 0 |
| thailand | | clarias macrocephalus | species | 16 | 0 |
| thailand | | clarias macrocephalus x clarias gariepinus | species | 1 | 0 |
| thailand | nakhon nayok province | clarias batrachus | species | 0 | 1 |
| turkey | | clarias gariepinus | species | 20 | 0 |
| uganda | | clarias gariepinus | species | 3 | 0 |
| united kingdom | england | clarias batrachus | species | 1 | 0 |
| united kingdom | england | clarias macrocephalus | species | 2 | 0 |
| vietnam | | clarias batrachus | species | 1 | 0 |
| vietnam | | clarias macrocephalus | species | 19 | 0 |
| vietnam | ca mau province | clarias macrocephalus | species | 2 | 0 |
| vietnam | can tho province | clarias macrocephalus | species | 1 | 0 |
| vietnam | kon tum province | clarias batrachus | species | 1 | 0 |
| vietnam | kon tum province | clarias fuscus | species | 1 | 0 |
| vietnam | kon tum province | clarias macrocephalus | species | 1 | 0 |
| zambia | | clarias buthupogon | species | 1 | 0 |
| zambia | | clarias stappersii | species | 1 | 0 |
| zambia | | clarias theodorae | species | 1 | 0 |
| zambia | copperbelt province | clarias gariepinus | species | 0 | 1 |
| zambia | southern province | clarias gariepinus | species | 0 | 1 |
| zambia | southern province | clarias ngamensis | species | 0 | 1 |